List Of Lichens Of Maryland
   HOME

TheInfoList



Click Here for Items Related To - List Of Lichens Of Maryland
OR:
List Of Lichens Of Maryland on:   [Wikipedia]   [Google]   [Amazon]

The following list of
Lichen A lichen ( , ) is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi species in a mutualistic relationship.Maryland Maryland ( ) is a state in the Mid-Atlantic region of the United States. It shares borders with Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware and the Atlantic Ocean to ...
is derived from the following sources: *(1) lichens listed in the 1977 publication by Skorepa ( Allen C. Skorepa), Norde

and Windler. *(2) lichens listed in the 1979 publication by Skorepa, Norden, and Windler. *(3) lichens listed in the 2002 publication by Biechele as occurring on Maryland's Delmarva Peninsula. *(4) lichens in Elmer Worthley's personal herbarium. *(5) lichens found in Maryland by Edward Uebel. *(6) lichens reported on Maryland's Delmarva Peninsula by Lendemer and Knapp (2007) at six locations: 1. Millington State Wildlife Management Area (1. Millington); 2. Idylwild State Wildlife Management Area (2. Idylwild); 3. Chesapeake State Forest (3. Chesapeake); 4. Sharptown Dunes (4. Sharptown); 5. Hickory Point Cypress Swamp (5. Hickory Pt.); 6. Pocomoke State Forest (6. Pocomoke). #Acarospora fuscata (Schrader) Arnold   carosporaceae##Skorepa ''et al.'' (1979) – on acidic rock. ##E.G. Worthley Herbarium - Carroll Co., on stone wall. ##E.C. Uebel Herbarium – Lichens of Soldiers Delight. #Acarospora schleicheri (Ach.) A. Massal.   carosporaceae##Skorepa ''et al.'' (1977) – Lichens of Soldiers Delight. ##Skorepa ''et al.'' (1979) – on acidic rock. #Ahtiana aurescens (Tuck.) Thell & Randlane   armeliaceae##Syn.: ''Cetraria aurescens'' Tuck. ##Skorepa ''et al.'' (1977) – Allegany Co., on branches of pines. ##Skorepa ''et al.'' (1979) – on bark. #Allocetraria oakesiana (Tuck.) Randlane & Thell   armeliaceae##Syn.: ''Cetraria oakesiana'' Tuck. ##Skorepa ''et al.'' (1977) – Frederick Co., base of oak. ##Skorepa ''et al.'' (1979) – on bark, acidic rock. ##E.G. Worthley Herbarium - Garrett Co., along Big Run, on stumps. #Amandinea milliaria (Tuck.) P. May & Sheard   hysciaceae##Syn.: ''Rinodina milliaria'' Tuck. ##Skorepa ''et al.'' (1977) – Calvert Co., on trunks of deciduous trees. ##Skorepa ''et al.'' (1979) – on bark. ##Biechele (2002) – lower eastern shore of Maryland. #Amandinea polyspora (Willey) E. Lay & P. May   hysciaceae##Syn.: ''Buellia polyspora'' (Willey) Vainio ##Skorepa ''et al.'' (1977) – Carroll Co., bark of deciduous tree. ##Skorepa ''et al.'' (1979) – on bark. ##E.C. Uebel Herbarium – Baltimore Co., Ridge Rd., on bark of Norway Maple. #Amandinea punctata (Hoffm.) Coppins & Scheid.   hysciaceae##Syn.: ''Buellia punctata'' (Hoffm.) Massal. ##Skorepa ''et al.'' (1977) – Worcester Co., on oak twigs. ##Skorepa ''et al.'' (1979) – on bark. ##Lendemer & Knapp (2007) - (2. Idylwild) #Anaptychia palmulata (Michaux) Vainio   hysciaceae##Skorepa ''et al.'' (1977) – Calvert Co., trunks of deciduous trees. ##Skorepa ''et al.'' (1979) – on bark. ##Biechele (2002) – lower eastern shore of Maryland. ##E.G. Worthley Herbarium - Baltimore Co.; Calvert Co.; Frederick Co. #Anisomeridium polypori (Ellis & Everh.) M.E. Barr   onoblastiaceae##Lendemer & Knapp (2007) - (4. Sharptown) #Anzia americana Yoshim. & Sharp   armeliaceae##Lendemer & Knapp (2007) - (6. Pocomoke) #Anzia colpodes (Ach.) Stizenb.   armeliaceae##Skorepa ''et al.'' (1979) – on bark. ##Lendemer & Knapp (2007) - (6. Pocomoke) #Arctoparmelia centrifuga? (L.) Hale   armeliaceae##E.G. Worthley Herbarium - Baltimore Co., Owings Mills. #Arthonia caesia (Flotow) Körber   rthoniaceae##Skorepa ''et al.'' (1977) – Baltimore Co., trunk of oak. ##Skorepa ''et al.'' (1979) – on bark. ##E.C. Uebel Herbarium – Baltimore Co., Liberty Reservoir, on bark; Ridge Road, on bark. ##Lendemer & Knapp (2007) (1. Millington) #Arthonia rubella (Fée) Nyl.   rthoniaceae##Lendemer & Knapp (2007) - (5. Hickory Pt.), (6. Pocomoke) #Arthopyrenia cinereopruinosa (Schaerer) A. Massal.   rthopyreniaceae##Syn.: ''Arthopyrenia pinicola'' (Hepp) Mass. ##Skorepa ''et al.'' (1977) – Montgomery Co., trunk of elm. ##Skorepa ''et al.'' (1979) – on bark. #Arthothelium interveniens (Nyl.) Zahlbr.   rthoniales##Lendemer & Knapp (2007) - (6. Pocomoke) #Aspicilia caesiocinerea (Nyl. ex Malbr.) Arnold   ymeneliaceae##Syn.: ''Lecanora caesiocinerea'' Nyl. ##Skorepa ''et al.'' (1977) – Allegany Co., on shale outcrop. ##Skorepa ''et al.'' (1979) – on acidic rock. ##E.G. Worthley Herbarium - Lichens of Soldiers Delight; Montgomery Co., Great Falls. ##E.C. Uebel Herbarium – Baltimore Co., Liberty Reservoir, on acidic rock. #Aspicilia cinerea (L.) Körber   ymeneliaceae##Syn.: ''Lecanora cinerea'' (L.) Somm. ##Skorepa ''et al.'' (1977) – Baltimore Co., on rock ledges. ##Skorepa ''et al.'' (1979) – on acidic rock. ##E.G. Worthley Herbarium - Frederick Co., Cunningham Falls. #Bacidia laurocerasi (Delise ''ex'' Duby) Zahlbr. subsp. laurocerasi   acidiaceae##Syn.: ''Bacidia atrogrisea'' (Delilse ''ex'' Hepp) Körber ##Skorepa ''et al.'' (1979) – on bark. #Bacidia polychroa (Th. Fr.) Körber   acidiaceae##Syn.: ''Bacidia fuscorubella'' (Hoffm.) Bausch. ##Skorepa ''et al.'' (1977) – Baltimore Co., on trunks of deciduous trees. ##Skorepa ''et al.'' (1979) – on bark. #Bacidia schweinitzii (Fr. ''ex'' E. Michener) A. Schneider   acidiaceae##Skorepa ''et al.''. (1977) – Montgomery Co., on oak. ##Skorepa ''et al.'' (1979) – on bark. ##Biechele (2002) – lower eastern shore of Maryland. ##E.G. Worthley Herbarium – Lichens of Soldiers Delight; Anne Arundel Co., Baltimore Co., Wicomico Co. ##Lendemer & Knapp (2007) - (2. Idylwild), (4. Sharptown), (5. Hickory Pt.), (6. Pocomoke) #Bacidia trachona (Ach.) Lettau   acidiaceae##Skorepa ''et al.'' (1979) – on calcareous rock. #Bacidina egenula (Nyl.) Vězda   acidiaceae##Lendemer & Knapp (2007) - (5. Hickory Pt.) #Bacidina inundata (Fr.) Vezda   acidiaceae##Skorepa ''et al.'' (1979) – on bark. #Baculifera curtisii (Tuck.) Marbach   hysciaceae##Syn.: ''Buellia curtisii'' (Tuck.) Imsh. ##Skorepa ''et al.''. (1977) – Calvert Co., trunk of deciduous tree. ##Skorepa ''et al.'' (1979) – on bark. #Bathelium carolinianum (Tuck.) R.C. Harris   rypetheliaceae##Lendemer & Knapp (2007) - (6. Pocomoke) #Biatora vernalis (L.) Fr.   acidiaceae##Syn.: ''Lecidea vernalis'' (L.) Ach. ##Skorepa ''et al.'' (1977) – Frederick Co., on trunks of oaks. ##Skorepa ''et al.'' (1979) – on bark. #Brigantiaea leucoxantha (Spreng.) R. Sant. & Haffel.   rigantiaeaceae##Biechele (2002) – lower eastern shore of Maryland. ##Lendemer & Knapp (2007) - (5. Hickory Pt.), (6. Pocomoke) #Bryoria furcellata (Fr.) Brodo & D. Hawksw.   armeliaceae##Syn.: ''Alectoria nidulifera'' Norrl. ##Skorepa ''et al.'' (1977) – Garrett Co., on pine trunks. ##Skorepa ''et al.'' (1979) – on bark, acid rock. ##E.G. Worthley Herbarium - Wicomico Co. #Buellia badia (Fr.) Massal.   hysciaceae##Syn.: ''Buellia turgescens'' Tuck. ##E.G. Worthley Herbarium - Baltimore Co., St. Thomas Cemetery. #Buellia curtisii (Tuck.) Imshaug   hysciaceae##Lendemer & Knapp (2007) (1. Millington), (3. Chesapeake) #Buellia spuria (Schaerer) Anzi   hysciaceae##Skorepa ''et al.'' (1977) – Montgomery Co. (collection by Fink) ##Skorepa ''et al.'' (1979) – on acidic rock. ##E.G. Worthley Herbarium – Lichens of Soldiers Delight. #Buellia stigmaea Tuck.   hysciaceae##Skorepa ''et al.'' (1977) – Baltimore Co., (collected by Plitt) ##Skorepa ''et al.'' (1979) – on acidic rock. #Buellia stillingiana J. Steiner   hysciaceae##Skorepa ''et al.'' (1977) – Calvert Co., on trunks of deciduous trees. ##Skorepa ''et al.'' (1979) – on bark. ##Biechele (2002) – lower eastern shore of Maryland. ##E.G. Worthley Herbarium - Worcester Co. ##Lendemer & Knapp (2007) - (4. Sharptown) #Buellia vernicoma Tuck.   hysciaceae##Lendemer & Knapp (2007) - (6. Pocomoke) #Byssoloma leucoblepharum Vainio   ilocarpaceae##Lendemer & Knapp (2007) - (5. Hickory Pt.), (6. Pocomoke) #Byssoloma meadii (Tuck.) S. Ekman   ilocarpaceae##Lendemer & Knapp (2007) - (5. Hickory Pt.), (6. Pocomoke) #Calicium salicinum Pers.   aliciaceae##Lendemer & Knapp (2007) - (6. Pocomoke) #Caloplaca camptidia (Tuck.) Zahlbr.   eloschistaceae##Skorepa ''et al.'' (1977) – Montgomery Co., oak woods. ##Skorepa ''et al.'' (1979) – on bark. #Caloplaca cerina (Ehrh. ''ex'' Hedwig) Th. Fr.   eloschistaceae##Skorepa ''et al.'' (1977) – Garrett Co., on aspen trunks. ##Skorepa ''et al.'' (1979) – on bark. #Caloplaca citrina (Hoffm.) Th. Fr.   eloschistaceae##Skorepa ''et al.'' (1977) – Baltimore Co., on concrete bridge. ##Skorepa ''et al.'' (1979) – on cement. ##Biechele (2002) – lower eastern shore of Maryland. ##E.G. Worthley Herbarium – Lichens of Soldiers Delight; Baltimore Co., on wall of stone and cement. #Caloplaca feracissima H. Magn.   eloschistaceae##Skorepa ''et al.'' (1977) – Frederick Co., on concrete. ##Skorepa ''et al.'' (1979) – on cement. ##E.G. Worthley Herbarium – Lichens of Soldiers Delight. ##E.C. Uebel Herbarium – Prince George's Co., on hill of concrete. #Caloplaca flavorubescens (Hudson) J. R. Laundon   eloschistaceae##Syn.: ''Caloplaca aurantiaca'' (Lightf.) Th. Fr. ##Skorepa ''et al.'' (1977) – Allegany Co., on cement. ##Skorepa ''et al.'' (1979) – on cement. ##E.G. Worthley Herbarium - Baltimore Co., Owings Mills. #Caloplaca flavovirescens (Wulfen) Dalla Torre & Sarnth. ##Skorepa ''et al.'' (1977) – Washington Co., on limestone. ##Skorepa ''et al.'' (1979) – on calcareous rock, cement. #Caloplaca holocarpa (Hoffm. ''ex'' Ach.) M. Wade   eloschistaceae##Skorepa ''et al.'' (1977) – Frederick Co., on timbers. ##Skorepa ''et al.'' (1979) – on bark, calcareous rock, wood. #Caloplaca lobulata (Flörke) de Lesd.   eloschistaceae##Skorepa ''et al.'' (1977) – Cecil Co., on serpentine rock. ##Skorepa ''et al.'' (1979) – acidic rock. ##E.G. Worthley Herbarium – Lichens of Soldiers Delight; Baltimore Co., on bricks. #Caloplaca microphyllina (Tuck.) Hasse   eloschistaceae##Skorepa ''et al.'' (1979) – wood. #Caloplaca oxfordensis Fink   eloschistaceae##Skorepa ''et al.'' (1977) – Washington Co., on limestone. ##Skorepa ''et al.'' (1979) – on acidic rock. #Caloplaca sideritis (Tuck.) Zahlbr.   eloschistaceae##Skorepa ''et al.'' (1977) – Frederick Co., on cement foundation. ##Skorepa ''et al.'' (1979) – on acidic rock. ##E.G. Worthley Herbarium – Lichens of Soldiers Delight. #Caloplaca subsoluta (Nyl.) Zahlbr.   eloschistaceae##Syn.: ''Caloplaca modesta'' (Zahlbr.) Fink ##Skorepa ''et al.'' (1977) – Montgomery Co. (collected by Fink) ##Skorepa ''et al.'' (1979) – on acidic rock. #Candelaria concolor (Dickson) B. Stein   andelariaceae##Skorepa ''et al.'' (1977) – Allegany Co., on tree trunk. ##Skorepa ''et al.'' (1979) – on bark. ##E.G. Worthley Herbarium – Lichens of Soldiers Delight; Frederick Co.; Carroll Co. ##E.C. Uebel Herbarium – Baltimore Co.; Prince George's Co., on bark. ##Lendemer & Knapp (2007) - (2. Idylwild) #Candelariella reflexa (Nyl.) Lettau   andelariaceae##Lendemer & Knapp (2007) - (3. Chesapeake) #Candelariella vitellina (Hoffm.) Müll. Arg.   andelariaceae##Skorepa ''et al.'' (1977) – Baltimore Co., on rock face. ##Skorepa ''et al.'' (1979) – on acidic rock. ##E.G. Worthley Herbarium – Lichens of Soldiers Delight. #Canoparmelia caroliniana (Nyl.) Elix & Hale   armeliaceae##Syn.: ''Parmelia caroliniana'' Nyl. ##Skorepa ''et al.'' (1977) – Worcester Co., on tree trunks. ##Biechele (2002) – lower eastern shore of Maryland. ##Lendemer & Knapp (2007) - (2. Idylwild), (4. Sharptown), (6. Pocomoke) #Canoparmelia crozalsiana (de Lesd. ''ex'' Harm.) Elix & Hale   armeliaceae##Syn.: ''Parmelia crozalsiana'' B. de Lesd. ''ex'' Harm. ##Skorepa ''et al.'' (1977) – Frederick Co., on trunk of oak. ##Skorepa ''et al.'' (1979) – on bark. ##E.G. Worthley Herbarium - Talbot Co., on Sycamore. ##Lendemer & Knapp (2007) - (2. Idylwild) #Canoparmelia texana (Tuck.) Elix & Hale   armeliaceae##Syn.: ''Parmelia texana'' Tuck. ##Skorepa ''et al.'' (1977) – Frederick Co., on trunk of maple. ##Skorepa ''et al.'' (1979) – on bark. ##Lendemer & Knapp (2007) - (2. Idylwild) #Catapyrenium cinereum (Pers.) Körber   errucariaceae##Syn.: ''Dermatocarpon hepaticum'' (Ach.) Th. Fr. ##Skorepa ''et al.'' (1979) – on soil. ##E.G. Worthley Herbarium – Lichens of Soldiers Delight. #Catillaria chalybeia (Borrer) A. Massal.   atillariaceae##Skorepa ''et al.'' (1977) – Frederick Co., on rocks. ##Skorepa ''et al.'' (1979) – on acidic rock. #Cetraria arenaria Kärnefelt   armeliaceae##Syn.: ''Cetraria islandica'' (L.) Ach. ##Skorepa ''et al.'' (1977) – Garrett Co., on soil. ##Skorepa ''et al.'' (1979) – on soil. ##E.G. Worthley Herbarium - Garrett Co., Carey Run. #Cetrelia cetrarioides (Duby) Culb. & C. Culb.   armeliaceae##E.G. Worthley Herbarium - Baltimore Co., Owings Mills, on oak. #Cetrelia chicitae (W. Culb.) W. Culb. & C. Culb.   armeliaceae##Skorepa ''et al.'' (1977) – Garrett Co., on conglomerate. ##Skorepa ''et al.'' (1979) – on bark, acidic rock. ##E.G. Worthley Herbarium - Frederick Co., Mt. Catoctin Park. #Cetrelia olivetorum (Nyl.) Culb. & C. Culb.   armeliaceae##Skorepa ''et al.'' (1977) – Allegany Co., on trunk of deciduous tree. ##Skorepa ''et al.'' (1979) – on bark. #Chrismofulvea dialyta (Nyl.) Marbach   hysciaceae##Syn.: ''Buellia dialyta'' (Nyl.) Tuck. ##Skorepa ''et al.'' (1979) – on bark. #Chrysothrix candelaris (L.) J. R. Laundon   hrysotrichaceae##Syn.: ''Lepraria candelaris'' (L.) Fr. ##Skorepa ''et al.'' (1979) – on bark. ##E.G. Worthley Herbarium - Montgomery Co., on rock outcrop. ##E.C. Uebel Herbarium – Baltimore Co., Hollofield, on rock cliff. ##Lendemer & Knapp (2007) - (5. Hickory Pt.) #Chrysothrix flavovirens Tønsberg s. ''lat.''   hrysotrichaceae##Lendemer & Knapp (2007) - (5. Hickory Pt.) #Cladonia apodocarpa Robbins   ladoniaceae##Skorepa ''et al.'' (1977) – Frederick Co., on soil. ##E.G. Worthley Herbarium - Lichens of Soldiers Delight; Baltimore Co., Gunpowder Falls; Allegany Co. #Cladonia arbuscula (Wallr.) Flotow   ladoniaceae##Skorepa ''et al.'' (1977) – Lichens of Soldiers Delight. ##E.G. Worthley Herbarium - Lichens of Soldiers Delight; Allegany Co., Green Ridge State Forest; Wicomico Co. ##E.C. Uebel Herbarium – Lichens of Soldiers Delight. #Cladonia atlantica A. Evans   ladoniaceae##Skorepa ''et al.'' (1977) – Lichens of Soldiers Delight. ##Biechele (2002) – lower eastern shore of Maryland. #Cladonia beaumontii (Taylor) Vainio   ladoniaceae##Biechele (2002) – lower eastern shore of Maryland. #Cladonia boryi Tuck.   ladoniaceae##Skorepa ''et al.'' (1977) – Lichens of Soldiers Delight. ##This is probably a misidentification of ''Cladonia caroliniana''. #Cladonia caespiticia (Pers.) Flörke   ladoniaceae##Skorepa ''et al.'' (1977) – Worcester Co., on sandy soil. ##Biechele (2002) – lower eastern shore of Maryland. ##E.C. Uebel Herbarium – Lichens of Soldiers Delight; Carroll Co., Liberty Reservoir. #Cladonia cariosa (Ach.) Sprengel   ladoniaceae##E.G. Worthley Herbarium - Lichens of Soldiers Delight. #Cladonia caroliniana Tuck.   ladoniaceae##E.C. Uebel Herbarium – Lichens of Soldiers Delight. #Cladonia cervicornis subsp. verticillata (Hoffm.) Ahti   ladoniaceae##Syn.: ''Cladonia verticillata'' (Hoffm.) Schaer. ##Skorepa ''et al.'' (1977) – Queen Anne's Co., on soil. ##Biechele (2002) – lower eastern shore of Maryland. ##E.G. Worthley Herbarium - Worcester Co.; Queen Anne's Co.; Baltimore Co. #Cladonia chlorophaea (Flörke ''ex'' Sommerf.) Sprengel   ladoniaceae##Skorepa ''et al.'' (1977) – Lichens of Soldiers Delight. ##Biechele (2002) – lower eastern shore of Maryland. ##E.G. Worthley Herbarium - Lichens of Soldiers Delight; Prince George's Co.; Anne Arundel Co.; Washington Co. #Cladonia coniocraea (Flörke) Sprengel   ladoniaceae##Skorepa ''et al.'' (1977) – Garrett Co., on base of pine. ##Biechele (2002) – lower eastern shore of Maryland. ##E.G. Worthley Herbarium - Baltimore Co.; Calvert Co. ##E.C. Uebel Herbarium – Lichens of Soldiers Delight; Baltimore Co., Liberty Reservoir. #Cladonia cristatella Tuck.   ladoniaceae##Skorepa ''et al.'' (1977) – Lichens of Soldiers Delight. ##Biechele (2002) – lower eastern shore of Maryland. ##E.G. Worthley Herbarium - Lichens of Soldiers Delight; Prince George's Co.; Garrett Co., Swallow Falls. ##E.C. Uebel Herbarium – Lichens of Soldiers Delight; Prince George's Co., Greenbelt. #Cladonia didyma (Fée) Vainio var. didyma   ladoniaceae##Lendemer & Knapp (2007) - (2. Idylwild) #Cladonia fimbriata (L.) Fr.   ladoniaceae##Skorepa ''et al.'' (1977) – Garrett Co., on sandstone boulder. ##E.G. Worthley Herbarium - Garrett Co.; Allegany Co., Green Ridge State Forest. #Cladonia floerkeana (Fr.) Flörke   ladoniaceae##Skorepa ''et al.'' (1977) – Harford Co., on rotting wood. #Cladonia furcata (Hudson) Schrader   ladoniaceae##Skorepa ''et al.'' (1977) – Harford Co., on moss. #Cladonia gracilis (L.) Willd. subsp. ''gracilis''   ladoniaceae##Skorepa ''et al.'' (1977) – Lichens of Soldiers Delight. ##E.G. Worthley Herbarium - Lichens of Soldiers Delight. #Cladonia grayi Merr. ''ex'' Sandst.   ladoniaceae##Biechele (2002) – lower eastern shore of Maryland. ##E.C. Uebel Herbarium – Lichens of Soldiers Delight. ##Lendemer & Knapp (2007) - (2. Idylwild), (3. Chesapeake) #Cladonia incrassata Flörke   ladoniaceae##Skorepa ''et al.'' (1977) – Wicomico Co., on sandy soil. ##Lendemer & Knapp (2007) - (2. Idylwild), (6. Pocomoke) #Cladonia macilenta Hoffm.   ladoniaceae##Skorepa ''et al.'' (1977) – Harford Co., on rotting wood. ##E.C. Uebel Herbarium – Carroll Co., Liberty Reservoir; Prince Georges Co., College Park. ##Lendemer & Knapp (2007) - (2. Idylwild) #Cladonia macilenta var. bacillaris (Genth) Schaerer   ladoniaceae##Syn.: ''Cladonia bacillaris'' (Ach.) Nyl. ##Skorepa ''et al.'' (1977) – Lichens of Soldiers Delight. ##Biechele (2002) – lower eastern shore of Maryland. ##E.G. Worthley Herbarium - Prince George's Co. ##E.C. Uebel Herbarium – Carroll Co., Liberty Reservoir. ##Lendemer & Knapp (2007) - (3. Chesapeake) #Cladonia mateocyatha Robbins   ladoniaceae##Skorepa ''et al.'' (1977) – Baltimore Co., on exposed rocks. #Cladonia ochrochlora Flörke   ladoniaceae##Lendemer & Knapp (2007) - (1. Millington) #Cladonia parasitica (Hoffm.) Hoffm.   ladoniaceae##Skorepa ''et al.'' (1977) – Worcester Co., on pine stump. ##Biechele (2002) – lower eastern shore of Maryland. ##Lendemer & Knapp (2007) - (2. Idylwild) #Cladonia peziziformis (With.) J.R. Laundon   ladoniaceae##Syn.: ''Cladonia capitata'' (Michx.) Spreng. ##Skorepa ''et al.'' (1977) – Kent Co., on embankment. ##Biechele (2002) – lower eastern shore of Maryland. ##E.G. Worthley Herbarium - Lichens of Soldiers Delight. ##E.C. Uebel Herbarium – Lichens of Soldiers Delight; Prince George's Co., Greenbelt. #Cladonia piedmontensis G. Merr.   ladoniaceae##Skorepa ''et al.'' (1977) – Wicomico Co., on soil. ##E.G. Worthley Herbarium - Baltimore Co.; Wicomico Co. #Cladonia pleurota (Flörke) Schaerer   ladoniaceae##Skorepa ''et al.'' (1977) – Lichens of Soldiers Delight. ##Biechele (2002) – lower eastern shore of Maryland. #Cladonia polycarpia G. Merr.   ladoniaceae##Lendemer & Knapp (2007) - (3. Chesapeake) #Cladonia polycarpoides Nyl.   ladoniaceae##Biechele (2002) – lower eastern shore of Maryland. ##Lendemer & Knapp (2007) - (2. Idylwild) #Cladonia pyxidata (L.) Hoffm.   ladoniaceae##Skorepa ''et al.'' (1977) – Allegany Co., on bank of stream. ##E.G. Worthley Herbarium - Allegany Co., Green Ridge State Forest; Anne Arundel Co.; Carroll Co.; Washington Co. #Cladonia ramulosa (With.) J.R. Laundon   ladoniaceae##E.G. Worthley Herbarium - Worcester Co., Milburn Landing. ##Lendemer & Knapp (2007) - (2. Idylwild) #Cladonia rangiferina (L.) F.H. Wigg.   ladoniaceae##Skorepa ''et al.'' (1977) – Allegany Co., on soil. ##E.G. Worthley Herbarium - Calvert Co.; Wicomico Co. #Cladonia rappii A. Evans   ladoniaceae##Syn.: ''Cladonia calycantha'' Del. ''ex'' Nyl. ##Skorepa ''et al.'' (1977) – Charles Co., on soil. ##Biechele (2002) – lower eastern shore of Maryland. ##E.G. Worthley Herbarium - Wicomico Co. #Cladonia ravenelii Tuck.   ladoniaceae##Biechele (2002) – lower eastern shore of Maryland. #Cladonia rei Schaerer   ladoniaceae##Syn.: ''Cladonia nemoxyna'' (Ach.) Nyl. ##Skorepa ''et al.'' (1977) – Garrett Co., on rocky soil. ##E.G. Worthley Herbarium - Garrett Co. ##E.C. Uebel Herbarium – Lichens of Soldiers Delight. #Cladonia santensis Tuck.   ladoniaceae##Skorepa ''et al.'' (1977) – Dorchester Co., on soil. ##Biechele (2002) – lower eastern shore of Maryland. #Cladonia squamosa Hoffm.   ladoniaceae##Skorepa ''et al.'' (1977) – Frederick Co., on basalt outcrop. ##Biechele (2002) – lower eastern shore of Maryland. ##E.G. Worthley Herbarium - Lichens of Soldiers Delight; Washington Co. ##Lendemer & Knapp (2007) - (6. Pocomoke) #Cladonia stellaris (Opiz) Pouzar & Vezda   ladoniaceae##Syn.: ''Cladonia alpestris'' (L.) Rabenh. ##Skorepa ''et al.'' (1977) – Garrett Co., on soil. #Cladonia strepsilis (Ach.) Grognot   ladoniaceae##Skorepa ''et al.'' (1977) – Prince George's Co., on shoulder of road. ##E.G. Worthley Herbarium - Prince George's Co. #Cladonia subcariosa Nyl.   ladoniaceae##Syns.: ''Cladonia clavulifera'' Vain., ''C. sobolescens'' Nyl. ''ex'' Vain. ##Skorepa ''et al.'' (1977) – Worcester Co., on sandy soil. ##Skorepa ''et al.'' (1977) – Kent Co., on soil. ##E.G. Worthley Herbarium - St. Mary's Co.; Wicomico Co. ##E.C. Uebel Herbarium – Lichens of Soldiers Delight; Prince George's Co., Greenbelt. ##Lendemer & Knapp (2007) - (2. Idylwild) #Cladonia subtenuis (Abbayes) Mattick   ladoniaceae##Skorepa ''et al.'' (1977) – Lichens of Soldiers Delight. ##Biechele (2002) – lower eastern shore of Maryland. ##E.G. Worthley Herbarium - Lichens of Soldiers Delight; Allegany Co.; Calvert County; St. Mary's Co. ##E.C. Uebel Herbarium – Lichens of Soldiers Delight; Prince George's Co. ##Lendemer & Knapp (2007) - (2. Idylwild), (3. Chesapeake), (4. Sharptown) #Cladonia turgida Hoffm.   ladoniaceae##Skorepa ''et al.'' (1977) – Wicomico Co., on soil. #Cladonia uncialis (L.) F.H. Wigg.   ladoniaceae##Skorepa ''et al.'' (1977) – Lichens of Soldiers Delight. ##Biechele (2002) – lower eastern shore of Maryland. #Coccocarpia palmicola (Sprengel) Arv. & D.J. Galloway   occocarpiaceae##Syn.: ''Coccocarpia cronia'' (Tuck.) Vain. ##Skorepa ''et al.'' (1977) – Montgomery Co., on rock outcrop. ##Skorepa ''et al.'' (1979) – on bark, acidic rock. #Coenogonium luteum (Dicks.) Kalb & Lücking   yalectaceae##Lendemer & Knapp (2007) - (6. Pocomoke) #Coenogonium pineti (Ach.) Kalb & Lücking   yalectaceae##Syn.: ''Dimerella diluta'' (Pers.) Trevisan ##Skorepa ''et al.'' (1979) – on wood, other. ##Lendemer & Knapp (2007) - (5. Hickory Pt.) #Collema coccophorum Tuck.   ollemataceae##Skorepa ''et al.'' (1979) – on acidic rock. #Collema conglomeratum Hoffm.   ollemataceae##Skorepa ''et al.'' (1979) – on bark. #Collema furfuraceum (Arnold) Du Rietz   ollemataceae##Skorepa ''et al.'' (1977) – Allegany Co., on trunks of deciduous trees. ##Skorepa ''et al.'' (1979) – bark, acidic rock. ##E.G. Worthley Herbarium - Allegany Co., Terrapin Run, near base of tree trunk. #Collema fuscovirens (With.) J.R. Laundon   ollemataceae##Syn.: ''Collema tuniforme'' (Ach.) Ach. ##Skorepa ''et al.'' (1979) – on calcareous rock. #Collema leptaleum Tuck.   ollemataceae##Skorepa ''et al.'' (1979) – on bark. #Collema subflaccidum Degel.   ollemataceae##Skorepa ''et al.'' (1979) – acidic rock. ##E.G. Worthley Herbarium - Baltimore Co., Gunpowder River, on bark of Tulip Tree. #Collema undulatum Laurer ''ex'' Flotow   ollemataceae##Skorepa ''et al.'' (1979) – on acidic rock. #Cyphelium tigillare (Ach.) Ach.   aliciaceae##Skorepa ''et al.'' (1979) – on wood. #Dactylospora inquilina Hafellner   actylosporaceae##Lendemer & Knapp (2007) - (5. Hickory Pt.) (on ''Pertusaria paratuberculifera'') #Dermatocarpon luridum (With.) J.R. Laundon   errucariaceae##Syn.: ''Dermatocarpon fluviatile'' (G. Web.) Th. Fr. ##Skorepa ''et al.'' (1977) – Baltimore Co., on rocks. ##Skorepa ''et al.'' (1979) – on acidic rock. ##E.G. Worthley Herbarium - Carroll Co., in stream bed; Frederick Co., on boulder in stream. ##E.C. Uebel Herbarium – Baltimore Co., Hollofield, on moist rock. #Dermatocarpon miniatum (L.) W. Mann   errucariaceae##Skorepa ''et al.'' (1977) – Baltimore Co., on rock ledge. ##Skorepa ''et al.'' (1979) – on acidic rock, calcareous rock. ##E.G. Worthley Herbarium - Montgomery Co., Great Falls #Dibaeis baeomyces (L. f.) Rambold & Hertel   cmadophilaceae##Syn.: ''Baeomyces roseus'' Pers. ##Skorepa ''et al.'' (1977) – Harford Co., on rock ledge. ##Skorepa ''et al.'' (1979) – on soil. ##Biechele (2002) – lower eastern shore of Maryland. ##E.G. Worthley Herbarium - Lichens of Soldiers Delight; Howard Co. #Dimelaena oreina (Ach.) Norman   hysciaceae##Skorepa ''et al.'' (1977) – Allegany Co., on sandstone outcrop. ##Skorepa ''et al.'' (1979) – on acidic rock. #Diploschistes scruposus (Schreber) Norman   helotremataceae##Skorepa ''et al.'' (1979) – on acidic rock. #Dirinaria frostii (Tuck.) Hale & Culb.   hysciaceae##Skorepa ''et al.'' (1977) – Allegany Co., on shale outcrops. ##Skorepa ''et al.'' (1979) – on acidic rock. #Endocarpon petrolepideum (Nyl.) Nyl.   errucariaceae##E.C. Uebel Herbarium – Prince George's Co., Greenbelt, on hill of concrete (identified by Dr. Othmar Breuss, Vienna, Austria, Mar 2005). #Endocarpon pusillum Hedwig   errucariaceae##Skorepa ''et al.'' (1977) – Washington Co., on chert. ##Skorepa ''et al.'' (1979) – on calcareous rock, cement. #Ephebe lanata (L.) Vainio   ichinaceae##Skorepa ''et al.'' (1979) – on acidic rock. #Fissurina insidiosa Hook. & C. Knight   raphidaceae##Lendemer & Knapp (2007) - (5. Hickory Pt.), (6. Pocomoke) #Flavoparmelia baltimorensis (Gyelnik & Fóriss) Hale   armeliaceae##Syn.: ''Parmelia baltimorensis'' Gyelnik & Fóriss ##Skorepa ''et al.'' (1977) – Baltimore Co., on rock outcrops. ##Skorepa ''et al.'' (1979) – on acidic rock. ##E.G. Worthley Herbarium - Harford Co., Rocks State Park, on acidic rock. ##E.C. Uebel Herbarium – Baltimore Co., Liberty Reservoir, on boulders. #Flavoparmelia caperata (L.) Hale   armeliaceae##Syn.: ''Parmelia caperata'' (L.) Ach. ##Skorepa ''et al.'' (1977) – Lichens of Soldiers Delight, on rocks. ##Skorepa ''et al.'' (1979) – on bark, acidic rock. ##Biechele (2002) – lower eastern shore of Maryland. ##E.G. Worthley Herbarium - Calvert Co.; Frederick Co.; Worcester Co., on bark. ##E.C. Uebel Herbarium – Prince George's Co., on fallen tree limbs. ##Lendemer & Knapp (2007) - (4. Sharptown) #Flavopunctelia flaventior (Stirton) Hale   armeliaceae##Syn.: ''Parmelia flaventior'' Stirt. ##Skorepa ''et al.'' (1977) – Garrett Co., on oak. ##Skorepa ''et al.'' (1979) – on bark. ##E.G. Worthley Herbarium - Allegany Co.; Garrett Co., Casselman Bridge State Park. #Flavopunctelia soredica (Nyl.) Hale   armeliaceae##Syn.: ''Parmelia ulophyllodes'' (Vaino) Savicz ##Skorepa ''et al.'' (1979) – on bark. ##E.G. Worthley Herbarium - Baltimore Co., Gunpowder State Park. ##E.C. Uebel Herbarium – Baltimore Co., Ridge Rd., on bark of Norway Maple. #Fuscopannaria leucophaea (Vahl) P.M. Jørg.   annariaceae##Syn.: ''Parmeliella microphylla'' (Sw.) Müll. Arg. ##Skorepa ''et al.'' (1979) – on acidic rock. #Fuscopannaria leucosticta (Tuck.) P.M. Jørg.   annariaceae##Syn.: ''Pannaria leucosticta'' (Tuck.) Tuck. ''ex'' Nyl. ##Skorepa ''et al.'' (1979) – on bark. #Gassicurtia vernicoma (Tuck.) Marbach   hysciaceae##Syn.: ''Buellia vernicoma'' (Tuck.) Tuck. ##Skorepa ''et al.'' (1977) – (collected by Plitt) ##Skorepa ''et al.'' (1979) – on bark. #Graphis scripta (L.) Ach.   raphidaceae##Skorepa ''et al.'' (1977) – Montgomery Co., on oak. ##Skorepa ''et al.'' (1979) – on bark. ##E.G. Worthley Herbarium - Baltimore Co., Pretty Boy Reservoir; Wicomico Co. ##E.C. Uebel Herbarium – Carroll Co., Liberty Reservoir, on tree bark. #Hafellia disciformis (Fr.) Marbach & H. Mayrhofer   hysciaceae##Syn.: ''Buellia disciformis'' (Fr.) Mudd ##Skorepa ''et al.'' (1977) – Anne Arundel Co. ##Skorepa ''et al.'' (1979) – on bark. #Hertelidea botryosa (Fr.) Printzen & Kantvilas   tereocaulaceae##Syn.: Lecidea botryosa (Fr.) Th. Fr. ##Skorepa ''et al.'' (1979) – on wood. #Heterodermia albicans (Pers.) Swinscow & Krog   hysciaceae##Syn.: ''Heterodermia domingensis'' (Ach.) Trev. ##Skorepa ''et al.'' (1977) – Wicomico Co., on tree trunks. ##Skorepa ''et al.'' (1979) – on bark. #Heterodermia appalachensis (Kurok.) Culb.   hysciaceae##Skorepa ''et al.'' (1977) – Baltimore Co., on trunk of oak. #Heterodermia granulifera (Ach.) Culb.   hysciaceae##Skorepa ''et al.'' (1977) – Montgomery Co., on trunk of Walnut tree. ##Skorepa ''et al.'' (1979) – on bark. #Heterodermia hypoleuca (Muhl.) Trevisan   hysciaceae##Skorepa ''et al.'' (1977) – Frederick Co, on oak. ##Skorepa ''et al.'' (1979) – on bark. ##Biechele (2002) – lower eastern shore of Maryland. #Heterodermia obscurata (Nyl.) Trevisan   hysciaceae##Skorepa ''et al.'' (1977) – Charles Co., on trunks of deciduous trees. ##Skorepa ''et al.'' (1979) – on bark, acidic rock. ##E.G. Worthley Herbarium - Baltimore Co., Gunpowder Falls, on tree trunk. ##Lendemer & Knapp (2007) - (2. Idylwild), (4. Sharptown) #Heterodermia speciosa (Wulfen) Trevisan   hysciaceae##Syn.: ''Heterodermia tremulans'' (Müll. Arg.) W. Culb. ##Skorepa ''et al.'' (1977) – Washington Co., on trunks of deciduous trees. ##Skorepa ''et al.'' (1979) – on bark, acidic rock. ##E.G. Worthley Herbarium - Baltimore Co., Pretty Boy Dam. ##Lendemer & Knapp (2007) - (2. Idylwild), (6. Pocomoke) #Hymenelia epulotica (Ach.) Lutzoni   ymeneliaceae##Syn.: ''Ionaspis epulotica'' (Ach.) Blomb. & Forssell ##Skorepa ''et al.'' (1979) – on acidic rock. #Hyperphyscia adglutinata (Flörke) H. Mayrh.   hysciaceae##Syn.: ''Physciopsis adglutinata'' (Flörke) M. Choisy ##Skorepa ''et al.'' (1979) – on bark. #Hyperphyscia syncolla (Tuck. ''ex'' Nyl.) Kalb   hysciaceae##Syns.: ''Physcia syncolla'' Tuck. ''ex'' Nyl., ''Physciopsis syncolla'' (Tuck. ''ex'' Nyl.) Poelt ##Skorepa ''et al.'' (1977) – Wicomico Co., on oak trees. ##Skorepa ''et al.'' (1979) – on bark. ##Biechele (2002) – lower eastern shore of Maryland. #Hypocenomyce scalaris (Ach.) M. Choisy   ecideaceae##Syn.: ''Lecidea scalaris'' (Ach. ''ex'' Lilj.) Ach. ##Skorepa ''et al.'' (1979) – on bark, wood. ##E.G. Worthley Herbarium - Lichens of Soldiers Delight, on trunk of pine. #Hypogymnia krogiae Ohlsson   armeliaceae##Skorepa ''et al.'' (1977) – Garrett Co., on conifer bark. ##Skorepa ''et al.'' (1979) – on bark. #Hypogymnia physodes (L.) Nyl.   armeliaceae##Skorepa ''et al.'' (1977) – Garrett Co., on tree trunks. ##Skorepa ''et al.'' (1979) – on bark, acidic rock. ##E.C. Uebel Herbarium – Baltimore Co., on bark of Norway Maple. #Hypotrachyna livida (Taylor) Hale   armeliaceae##Syn.: ''Parmelia livida'' Taylor ##Skorepa ''et al.'' (1977) – Sommerset Co., on branches of deciduous trees. ##Skorepa ''et al.'' (1979) – on bark. ##Biechele (2002) – lower eastern shore of Maryland. ##E.G. Worthley Herbarium - Wicomico Co.; Worcester Co., Milburn Landing, on branches. ##Lendemer & Knapp (2007) - (2. Idylwild), (4. Sharptown), (6. Pocomoke) #Hypotrachyna osseoalba (Vainio) Park & Hale   armeliaceae##Syn.: ''Parmelia formosana'' Zahlbr. ##Skorepa ''et al.'' (1977) – Dorchester Co., on oak trunk. ##Skorepa ''et al.'' (1979) – on bark. ##Lendemer & Knapp (2007) - (4. Sharptown) #Imshaugia aleurites (Ach.) S.F. Meyer   armeliaceae##Syn.: ''Parmeliopsis aleurites'' (Ach.) Nyl. ##Skorepa ''et al.'' (1977) – Garrett Co., on oak trunk. ##Skorepa ''et al.'' (1979) – on bark, acidic rock, wood. ##E.G. Worthley Herbarium - Lichens of Soldiers Delight, on Virginia pines. ##E.C. Uebel Herbarium – Lichens of Soldiers Delight, on trunks of pines. #Imshaugia placorodia (Ach.) S.F. Meyer   armeliaceae##Syn.: ''Parmeliopsis placorodia'' (Ach.) Nyl. ##Skorepa ''et al.'' (1977) – Harford Co., on pine trees. ##Skorepa ''et al.'' (1979) – on bark. ##E.G. Worthley Herbarium - Lichens of Soldiers Delight, on pine branches. ##E.C. Uebel Herbarium – Lichens of Soldiers Delight, on branches of Virginia pines. #Julella fallaciosa (Arnold) R.C. Harris   (Not lichenized.)   helenellaceae##E.C. Uebel Herbarium – Baltimore Co., Liberty Reservoir, on bark of Tulip Tree. #Lasallia papulosa (Ach.) Llano   mbilicariaceae##Syn.: ''Umbilicaria papulosa'' (Ach.) Nyl. ##Skorepa ''et al.'' (1977) – Baltimore Co., on rocks on hillside. ##Skorepa ''et al.'' (1979) – on bark, acidic rock. ##E.G. Worthley Herbarium - Frederick Co., Cunningham Falls; Montgomery Co., Great Falls. #Lasallia pensylvanica (Hoffm.) Llano   mbilicariaceae##Syn.: ''Umbilicaria pensylvanica'' Hoffm. ##Skorepa ''et al.'' (1977) – Harford Co., on rock outcrops. ##Skorepa ''et al.'' (1979) – on acidic rock. ##E.G. Worthley Herbarium - Washington Co., Wash. Monument State Park, on rocks. #Lasallia pustulata (L.) Mérat   mbilicariaceae##E.G. Worthley Herbarium - Frederick Co., South Mt.; Montgomery Co., Sugarloaf Mt., on boulders. #Lecanora albella (Pers.) Ach. var. albella   ecanoraceae##E.G. Worthley Herbarium - Worcester Co., on bark of ''Pinus taeda''. #Lecanora cadubriae (A. Massal.) Hedl.   ecanoraceae##Skorepa ''et al.'' (1979) – on bark. #Lecanora caesiorubella Ach. subsp. caesiorubella   ecanoraceae##Skorepa ''et al.'' (1977) – Harford Co., on trunk of oak. ##Skorepa ''et al.'' (1979) – on bark. ##E.G. Worthley Herbarium - Lichens of Soldiers Delight; Wicomico Co. #Lecanora campestris (Schaerer) Hue   ecanoraceae##Skorepa ''et al.'' (1977) – Allegany Co., on shale outcrop. ##Skorepa ''et al.'' (1979) – on acidic rock. #Lecanora chlarotera Nyl.   ecanoraceae##Skorepa ''et al.'' (1977) – Calvert Co., on trunks of deciduous trees. ##Skorepa ''et al.'' (1979) – on bark. ##Biechele (2002) – lower eastern shore of Maryland. #Lecanora cinereofusca H. Magn.   ecanoraceae##Lendemer & Knapp (2007) - (2. Idylwild), (5. Hickory Pt.), (6. Pocomoke) #Lecanora dispersa (Pers.) Sommerf.   ecanoraceae##Skorepa ''et al.'' (1977) – Washington Co., on stone wall. ##Skorepa ''et al.'' (1979) – on calcareous rock, cement, other. ##E.G. Worthley Herbarium - Baltimore Co.; Washington Co., on rock outcrops. #Lecanora expallens Ach.   ecanoraceae##Syn.: ''Lecanora conizea'' (Ach.) Nyl. ##Skorepa ''et al.'' (1977) – St. Mary's Co., on trunks of Black Locust. ##Skorepa ''et al.'' (1979) – on bark, wood. ##E.G. Worthley Herbarium - Lichens of Soldiers Delight; St. Mary' Co., on trunk of Black Locust. #Lecanora hagenii (Ach.) Ach.   ecanoraceae##Skorepa ''et al.'' (1977) – Frederick Co., on old timbers. ##Skorepa ''et al.'' (1979) – on wood. #Lecanora hybocarpa (Tuck.) Brodo   ecanoraceae##Biechele (2002) – lower eastern shore of Maryland. ##Lendemer & Knapp (2007) - (1. Millington), (4. Sharptown), (5. Hickory Pt.), (6. Pocomoke) #Lecanora imshaugii Brodo   ecanoraceae##Biechele (2002) – lower eastern shore of Maryland. #Lecanora minutella Nyl.   ecanoraceae##Lendemer & Knapp (2007) - (2. Idylwild) #Lecanora muralis (Schreber) Rabenh.   ecanoraceae##Skorepa ''et al.'' (1977) – Montgomery Co., on rock ledges. #Lecanora muralis var. versicolor (Pers.) Tuck.   ecanoraceae##Syn.: ''Lecanora versicolor'' (Pers.) Ach. ##Skorepa ''et al.'' (1977) – Washington Co., on stone wall. ##Skorepa ''et al.'' (1979) – on acidic rock. ##Skorepa ''et al.'' (1979) – on acidic rock, calcareous rock. ##E.G. Worthley Herbarium - Washington Co., C & 0 canal, on shale. #Lecanora polytropa (Hoffm.) Rabenh.   ecanoraceae##Skorepa ''et al.'' (1979) – on acidic rock. #Lecanora pulicaris (Pers.) Ach.   ecanoraceae##Syn.: ''Lecanora coilocarpa'' (Ach.) Nyl. ##Skorepa ''et al.'' (1977) – Calvert Co., on deciduous trees. ##Skorepa ''et al.'' (1979) – on bark. ##E.C. Uebel Herbarium – Baltimore Co., on bark of Norway Maple. #Lecanora strobilina (Spreng.) Kieffer   ecanoraceae##Biechele (2002) – lower eastern shore of Maryland. ##E.C. Uebel Herbarium – Baltimore Co., on bark of Norway Maple; Prince George's Co., on bark of pines. ##Lendemer & Knapp (2007) - (2. Idylwild) #Lecanora subpallens Zahlbr. -   ecanoraceae##Lendemer & Knapp (2007) - (1. Millington), (2. Idylwild), (4. Sharptown) #Lecanora thysanophora R.C. Harris   ecanoraceae##Thomas E. Wilson, III (4 Dec 2006) – IMG_9960.JPG, photographed on tree trunk in woodland on eastern side of Baltimore County, MD. ##Lendemer & Knapp (2007) - (1. Millington), (5. Hickory Pt.) #Lecanora xylophila Hue   ecanoraceae##Syn.: ''Lecanora laevis'' Poelt (N.A. records are ''L. xylophila'') ##Skorepa ''et al.'' (1977) – Baltimore Co., on wave-washed timbers. ##Skorepa ''et al.'' (1979) – on wood. #Lecidea cyrtidia Tuck.   ecideaceae##Skorepa ''et al.'' (1977) – Washington Co., on rocks. ##Skorepa ''et al.'' (1979) – on acidic rock. #Lecidea plebeja Nyl.   ecideaceae##Syn.: ''Lecidea myriocarpoides'' Nyl. ##Skorepa ''et al.'' (1979) – on wood. ##Lendemer & Knapp (2007) - (2. Idylwild) #Lecidella stigmatea (Ach.) Hertel & Leuckert   ecanoraceae##Syn.: ''Lecidea stigmatea'' Ach. ##Skorepa ''et al.'' (1979) – on acidic rock. #Lepraria caesiella R.C. Harris   amily Not Determined##Lendemer & Knapp (2007) - (2. Idylwild), (4. Sharptown) #Lepraria aff. incana (L.) Ach.   amily Not Determined##Lendemer & Knapp (2007) - (1. Millington), (2. Idylwild) #Lepraria lobificans Nyl.   amily Not Determined##Syn.: '' Lepraria finkii'' (B. de Lesd.) R.C. Harris ##E.G. Worthley Herbarium - Baltimore Co., Gunpowder River Area, on ''Quercus alba''. ##E.C. Uebel Herbarium – Carroll Co., Liberty Reservoir, rock near water. ##Lendemer & Knapp (2007) - (2. Idylwild), (3. Chesapeake) #Lepraria membranacea (Dickson) Vainio   amily Not Determined##Syn.: ''Leproloma membranaceum'' (Dickson) Vainio ##E.G. Worthley Herbarium - Frederick Co., Cunningham Falls. #Lepraria neglecta (Nyl.) Erichsen   amily Not Determined##Syn.: ''Lepraria zonata'' Brodo = ''L.caesioalba'' or ''L. neglecta''. ##Skorepa ''et al.'' (1977) – Baltimore Co., on acid rocks. ##Skorepa ''et al.'' (1979) – on bark, acidic rock. ##E.G. Worthley Herbarium - Frederick Co., Cunningham Falls; Montgomery Co., Great Falls. #Leptogium azureum (Sw.) Mont.   ollemataceae##Skorepa ''et al.'' (1977) – Montgomery Co., Plummers Is. (collected by Fink). ##Skorepa ''et al.'' (1979) – on acidic rock. #Leptogium cyanescens (Rabenh.) Körber   ollemataceae##Skorepa ''et al.'' (1977) – Worcester Co., on trunks of deciduous trees. ##Skorepa ''et al.'' (1979) – on bark, acidic rock. ##Biechele (2002) – lower eastern shore of Maryland. ##E.G. Worthley Herbarium - Baltimore Co., Gunpowder River, on vertical rocks; Frederick Co., Cunningham Falls. ##Lendemer & Knapp (2007) - (5. Hickory Pt.), (6. Pocomoke) #Leptogium lichenoides (L.) Zahlbr.   ollemataceae##Skorepa ''et al.'' (1977) – Allegany Co., on bark of deciduous trees. ##Skorepa ''et al.'' (1979) – on bark, acidic rock. #Leptogium phyllocarpum (Pers.) Mont.   ollemataceae##Biechele (2002) – lower eastern shore of Maryland. #Leptogium subtile (Schrader) Torss.   ollemataceae##Syn.: ''Leptogium minutissimum'' (Flörke) Fr. ##Skorepa ''et al.'' (1977) – Montgomery Co., on rock ledge. ##Skorepa ''et al.'' (1979) – on acidic rock. #Lichenoconium erodens M.S. Christ. & D. Hawksw.   namorphic ''Ascomycetes''##Lendemer & Knapp (2007) - (5. Hickory Pt.) (on ''Lecanora cinereofusca'') #Lichenodiplis lecanorae (Vouaux) Dyko & D. Hawksw.   namorphic ''Ascomycetes''##E.C. Uebel Herbarium – Baltimore Co., Liberty Reservoir, a specimen of ''Pertusaria xanthodes'' U-243, was collected growing on a small dead oak branch.   This crustose lichen contained a lichenicolous fungus and a sample of this fungus was sent to the Farlow Herbarium where it was forwarded to Dr. David Hawksworth, who identified it as ''Lichenodiplis lecanorae''. #Lobaria pulmonaria (L.) Hoffm.   obariaceae##Skorepa ''et al.'' (1979) – on bark. ##Biechele (2002) – lower eastern shore of Maryland. ##E.G. Worthley Herbarium - Frederick Co., Cunningham Falls. #Lobaria quercizans Michaux   obariaceae##Skorepa ''et al.'' (1977) – Garrett Co., on trunk of deciduous tree. ##Skorepa ''et al.'' (1979) – on bark. ##Biechele (2002) – lower eastern shore of Maryland. ##E.G. Worthley Herbarium - Frederick Co., Cunningham Falls. ##Lendemer & Knapp (2007) - (5. Hickory Pt.) #Loxospora pustulata (Brodo & Culb.) R.C. Harris   oxosporaceae##Lendemer & Knapp (2007) - (2. Idylwild), (4. Sharptown) #Melanelia culbersonii (Hale) Thell   armeliaceae##Syn.: ''Cetraria culbersonii'' Hale ##Skorepa ''et al.'' (1977) – Allegany Co., on exposed rock. ##Skorepa ''et al.'' (1979) – on acidic rock. ##E.G. Worthley Herbarium - Allegany Co., Dans Rock Overlook. #Melanelixia subaurifera (Nyl.) O. Blanco ''et al.''   armeliaceae##Syns.: ''Parmelia subaurifera'' Nyl., ''Melanelia subaurifera'' (Nyl.) Essl. ##Skorepa ''et al.'' (1977) – Allegany Co., on deciduous trees. ##Skorepa ''et al.'' (1979) – on bark. ##E.C. Uebel Herbarium – Baltimore Co., on bark of Norway Maple. #Melanohalea exasperata (De Not.) O. Blanco ''et al.''.   armeliaceae##Syns.: ''Parmelia exasperata'' De Not., ''Melanelia exasperata'' (De Not.) Essl. ##Skorepa ''et al.'' (1979) – on bark. ##E.G. Worthley Herbarium - Baltimore Co., Owings Mills. #Metamelanea melambola (Tuck.) Henssen   ichinaceae##Syn.''Pyrenopsis melambola'' (Tuck.) Tuck. ##Skorepa ''et al.'' (1979) – on calcareous rock. #Micarea erratica (Körber) Hertel, Rambold & Pietschmann   icareaceae##Syn.: ''Lecidea erratica'' Körber ##Skorepa ''et al.'' (1977) – Baltimore Co., on pebbles. ##Skorepa ''et al.'' (1979) – on acidic rock. ##E.G. Worthley Herbarium - Garrett Co., Carey Run, in open field. ##Lendemer & Knapp (2007) - (2. Idylwild) #Minutoexcipula mariana V. Atienza* (on ''Pertusaria'')   amily Not Determined##Lendemer & Knapp (2007) - (4. Sharptown) #Mycobilimbia berengeriana (A. Massal.) Hafellner & V. Wirth   orpidiaceae##Syn.: ''Lecidea berengeriana'' (Massal.) Nyl. ##Skorepa ''et al.'' (1977) – Frederick Co., on oak trunks. ##Skorepa ''et al.'' (1979) – on bark. ##E.G. Worthley Herbarium - Montgomery Co., Great Falls, on old wood. #Myelochroa aurulenta (Tuck.) Elix & Hale   armeliaceae##Syns: ''Parmelia aurulenta'' Tuck. ##Skorepa ''et al.'' (1977) – Baltimore Co., on rocks. ##Skorepa ''et al.'' (1979) – on bark, acidic rock. ##E.G. Worthley Herbarium - Baltimore Co., along Gunpowder River, on rock outcrops. ##E.C. Uebel Herbarium – Baltimore County, Liberty Reservoir; Prince George's Co., on bark. ##Lendemer & Knapp (2007) - (5. Hickory Pt.), (6. Pocomoke) #Myelochroa galbina (Ach.) Elix & Hale   armeliaceae##Syn.: ''Parmelia galbina'' Ach. ##Skorepa ''et al.'' (1977) – Allegany Co., on trunks of deciduous trees. ##Skorepa ''et al.'' (1979) – on bark. ##E.G. Worthley Herbarium - Allegany Co., along Terrapin Run, on trunks of deciduous trees. ##E.C. Uebel Herbarium – Lichens of Soldiers Delight. #Myelochroa metarevoluta (Asah.) Elix & Hale   armeliaceae##Syn.: ''Parmelia metarevoluta'' (Asahina) Hale ##Skorepa ''et al.'' (1977) – Montgomery Co., on oak trunk. ##Skorepa ''et al.'' (1979) – on bark. #Myelochroa obsessa (Ach.) Elix & Hale   armeliaceae##Syn.: ''Parmelia obsessa'' Ach. ##Skorepa ''et al.'' (1977) – Baltimore Co., on acid rocks. ##Skorepa ''et al.'' (1979) – on bark, acidic rock. ##E.G. Worthley Herbarium - Baltimore Co., near Little Gunpowder River, on rock ledges. #Nadvornikia sorediata R.C. Harris   helotremataceae##Lendemer & Knapp (2007) - (1. Millington), (5. Hickory Pt.), (6. Pocomoke) #Nephroma helveticum Ach. subsp. helveticum   ephromataceae##Skorepa ''et al.'' (1977) – Montgomery Co., Plummers Is. (collected by Fink). ##Skorepa ''et al.'' (1979) – on acidic rock. #Normandina pulchella (Borrer) Nyl.   errucariaceae##Skorepa ''et al.'' (1979) – on bark. #Ochrolechia androgyna (Hoffm.) Arnold   ertusariaceae##Skorepa ''et al.'' (1977) – Anne Arundel Co. ##Skorepa ''et al.'' (1979) – on acidic rock. #Ochrolechia cinera Chev.   ertusariaceae##Biechele (2002) – lower eastern shore of Maryland. #Ochrolechia pseudopallescens Brodo   ertusariaceae##Lendemer & Knapp (2007) - (5. Hickory Pt.) #Ochrolechia trochophora var. trochophora (Vainio) Oshio   ertusariaceae##Syn.: ''Ochrolechia rosella'' (Müll. Arg.) Vers. ##Biechele (2002) – lower eastern shore of Maryland. #Ochrolechia yasudae Vainio   ertusariaceae##Skorepa ''et al.'' (1977) – Frederick Co. (collected by Plitt). ##Skorepa ''et al.'' (1979) – on acidic rock. #Opegrapha varia Pers.   occellaceae##Lendemer & Knapp (2007) - (6. Pocomoke) #Opegrapha viridis Pers.   occellaceae##Lendemer & Knapp (2007) - (5. Hickory Pt.) #Opegrapha vulgata Ach.   occellaceae##Lendemer & Knapp (2007) - (2. Idylwild), (3. Chesapeake), (4. Sharptown) #Pannaria conoplea (Ach.) Bory   annariaceae##Syn.: ''Pannaria pityrea auct.'' ##Skorepa ''et al.'' (1979) – on bark. #Pannaria lurida (Mont.) Nyl.   annariaceae##Skorepa ''et al.'' (1979) – on bark. ##Biechele (2002) – lower eastern shore of Maryland. #Parmelia saxatilis (L.) Ach.   armeliaceae##Skorepa ''et al.'' (1977) – Frederick Co., in mature oak woods. ##Skorepa ''et al.'' (1979) – on bark, acidic rock. ##E.G. Worthley Herbarium - Baltimore Co., along Gunpowder River, on bark of ''Quercus velutina''. #Parmelia squarrosa Hale   armeliaceae##Skorepa ''et al.'' (1977) – Garrett Co., on ''Acer''. ##Skorepa ''et al.'' (1979) – on bark. ##Lendemer & Knapp (2007) - (6. Pocomoke) #Parmelia sulcata Taylor   armeliaceae##Skorepa ''et al.'' (1977) – Washington Co., on deciduous trees. ##Skorepa ''et al.'' (1979) – on bark, acidic rock. ##E.G. Worthley Herbarium - Lichens of Soldiers Delight; Carroll Co., on bark of ''Fraxinus americana''. ##E.C. Uebel Herbarium – Baltimore Co., on bark of Norway Maple. #Parmelinopsis horrescens (Taylor) Elix & Hale   armeliaceae##Syn.: ''Parmelia horrescens'' Taylor ##Skorepa ''et al.'' (1977) – Calvert Co., on trunks of pines. ##Skorepa ''et al.'' (1979) – on bark. ##E.G. Worthley Herbarium - Worcester Co., Milburn Landing, on bark of ''Pinus taeda''. ##Lendemer & Knapp (2007) - (2. Idylwild), (4. Sharptown), (6. Pocomoke) #Parmelinopsis minarum (Vainio) Elix & Hale   armeliaceae##Syn.: ''Parmelia dissecta'' Nyl. ##Skorepa ''et al.'' (1977) – Frederick Co., on oak trunk. ##Skorepa ''et al.'' (1979) – on bark, acidic rock. ##E.G. Worthley Herbarium - Lichens of Soldiers Delight. ##Lendemer & Knapp (2007) - (2. Idylwild), (5. Hickory Pt.) #Parmeliopsis ambigua (Wulfen) Nyl.   armeliaceae##Skorepa ''et al.'' (1977) – Garrett Co., on trunk of deciduous tree. ##Skorepa ''et al.'' (1979) – on bark. ##E.G. Worthley Herbarium - Worcester Co., Milburn Landing, on bark of ''Pinus taeda''. #Parmeliopsis hyperopta (Ach.) Arnold   armeliaceae##Syn.: ''Parmeliopsis diffusa'' (Weber) Riddle ##E.G. Worthley Herbarium - Baltimore Co., Owings Mills. #Parmeliopsis subambigua Gyelnik   armeliaceae##Syn.: ''Parmeliopsis halei'' (Tuck.) Hale ##Skorepa ''et al.'' (1977) – Worcester Co., on pine trunks. ##Skorepa ''et al.'' (1979) – on bark. ##Lendemer & Knapp (2007) - (4. Sharptown), (6. Pocomoke) #Parmotrema cetratum (Ach.) Hale   armeliaceae##Syns.: ''Parmelia cetrata'' Ach, ''Rimelia cetrata'' (Ach.) Hale & Fletcher ##Skorepa ''et al.'' (1977) – Worcester Co., on trunk of Sweet gum. ##Skorepa ''et al.'' (1979) – on bark. #Parmotrema chinense (Osbeck) Hale & Ahti   armeliaceae##Syn.: ''Parmotrema perlatum'' (Huds.) Choisy ##E.C. Uebel Herbarium – Baltimore Co., on bark of Norway Maple, on oak limb. #Parmotrema crinitum (Ach.) M. Choisy   armeliaceae##Syn.: ''Parmelia crinita'' Ach. ##Skorepa ''et al.'' (1977) – Worcester Co., on trunk of pine. ##Skorepa ''et al.'' (1979) – on bark. ##E.G. Worthley Herbarium - Baltimore Co., Owings Mills, on trees. #Parmotrema dilatatum (Vainio) Hale   armeliaceae##Syn.: ''Parmelia dilatata'' Vainio ##Skorepa ''et al.'' (1977) – Dorchester Co., on trunks of deciduous trees. ##Skorepa ''et al.'' (1979) – on bark. #Parmotrema eurysacum (Hue) Hale   armeliaceae##Syn.: ''Parmelia eurysaca'' Hue ##Skorepa ''et al.'' (1977) – Baltimore Co. (collected by Plitt). ##Skorepa ''et al.'' (1979) – on bark. #Parmotrema gardneri (Dodge) Serux.   armeliaceae##Biechele (2002) – lower eastern shore of Maryland. #Parmotrema hypoleucinum (B. Stein) Hale   armeliaceae##Biechele (2002) – lower eastern shore of Maryland. #Parmotrema hypoleucinum (J. Steiner) Hale   armeliaceae##Lendemer & Knapp (2007) - (4. Sharptown), (6. Pocomoke) #Parmotrema hypotropum (Nyl.) Hale   armeliaceae##Syn.: ''Parmelia hypotropa'' Nyl. ##Skorepa ''et al.'' (1977) – Kent Co., on trees. ##Skorepa ''et al.'' (1979) – on bark. ##Biechele (2002) – lower eastern shore of Maryland. ##E.G. Worthley Herbarium - Kent Co., on trees; Somerset Co., on deciduous trees; Wicomico Co.; Worcester Co., on bark of ''Pinus taeda''. ##E.C. Uebel Herbarium – Baltimore Co.; Prince George's Co., on bark and boulder. ##Lendemer & Knapp (2007) - (1. Millington), (2. Idylwild), (4. Sharptown), (6. Pocomoke) #Parmotrema margaritatum (Hue) Hale   armeliaceae##Syn.: ''Parmelia margaritata'' Hue ##Skorepa ''et al.'' (1979) – on bark. #Parmotrema perforatum (Jacq.) A. Massal.   armeliaceae##Syn.: ''Parmelia perforata'' (Jacq.) Ach. ##Skorepa ''et al.'' (1977) – Charles Co., on deciduous trees. ##Skorepa ''et al.'' (1979) – on bark. ##Biechele (2002) – lower eastern shore of Maryland. ##E.G. Worthley Herbarium - Prince George's Co., on bark of oak; Worcester Co., Milburn Landing. ##Lendemer & Knapp (2007) - (5. Hickory Pt.) #Parmotrema reticulatum (Taylor) M. Choisy   armeliaceae##Syns.: ''Parmelia reticulata'' Taylor, ''Rimelia reticulata'' (Taylor) Hale & Fletcher ##Skorepa ''et al.'' (1977) – Charles Co., on deciduous trees. ##Skorepa ''et al.'' (1979) – on bark. ##Biechele (2002) – lower eastern shore of Maryland. ##E.G. Worthley Herbarium - Lichens of Soldiers Delight; Worcester Co., on bark of ''Taxodium'' and ''Acer rubrum''. ##E.C. Uebel Herbarium – Lichens of Soldiers Delight. #Parmotrema stuppeum (Taylor) Hale   armeliaceae##Syn.: ''Parmelia stuppea'' Taylor ##Skorepa ''et al.'' (1977) – Garrett Co., on trunk of oak. ##Skorepa ''et al.'' (1979) – on bark. ##E.C. Uebel Herbarium – Baltimore Co., on bark of Norway Maple. #Parmotrema subisidiosum (Müll. Arg.) Hale ##Biechele (2002) – lower eastern shore of Maryland. ##Lendemer & Knapp (2007) - (2. Idylwild), (5. Hickory Pt.), (6. Pocomoke) #Parmotrema submarginale (Michx.) DePriest & Hale   armeliaceae##Syn.: ''Parmelia michauxiana'' Zahlbr. ##Skorepa ''et al.'' (1977) – Charles Co., on deciduous trees. ##Skorepa ''et al.'' (1979) – on bark. ##E.G. Worthley Herbarium - Calvert Co., Battle Creek Cypress Swamp, on bark; Worcester Co., Milburn Landing, on deciduous trees. ##Lendemer & Knapp (2007) - (4. Sharptown), (5. Hickory Pt.), (6. Pocomoke) #Parmotrema subtinctorium (Zahlbr.) Hale   armeliaceae##Syn.: ''Parmelia subcrinita'' Nyl. ##Skorepa ''et al.'' (1977) – Somerset Co., on deciduous trees. ##Skorepa ''et al.'' (1979) – on bark. #Parmotrema xanthinum (Müll. Arg.) Hale   armeliaceae##Syn.: ''Parmelia xanthina'' (Müll. Arg.) Vainio ##Skorepa ''et al.'' (1979) – on bark. ##Biechele (2002) – lower eastern shore of Maryland. ##Lendemer & Knapp (2007) - (6. Pocomoke) #Peltigera aphthosa (L.) Willd.   eltigeraceae##Skorepa ''et al.'' (1977) – No County, (Thomson, 1940). #Peltigera canina (L.) Willd.   eltigeraceae##Skorepa ''et al.'' (1977) – Garrett Co., with moss on sandstone. ##E.G. Worthley Herbarium - Garrett Co., Casselman Bridge State Park, on sandstone rocks; Wicomico Co., on sandy soil. #Peltigera didactyla (With.) J. R. Laundon   eltigeraceae##Syn.: ''Peltigera spuria'' (Ach.) DC. ##Skorepa ''et al.'' (1977) – Washington Co., on rock in seepage area. #Peltigera elisabethae Gyelnik   eltigeraceae##Skorepa ''et al.'' (1977) – Baltimore Co., with moss on wet rocks. #Peltigera evansiana Gyelnik   eltigeraceae##Skorepa ''et al.'' (1977) – Baltimore Co., (collected by Plitt). #Peltigera horizontalis (Hudson) Baumg.   eltigeraceae##Skorepa ''et al.'' (1977) – Baltimore Co., (collected by Merrill 1906). #Peltigera neckeri Müll. Arg.   eltigeraceae##Biechele (2002) – lower eastern shore of Maryland. #Peltigera polydactylon (Necker) Hoffm.   eltigeraceae##Skorepa ''et al.'' (1977) – Garrett Co., on moss covered rocks. #Peltigera praetextata (Flörke ''ex'' Sommerf.) Zopf   eltigeraceae##Skorepa ''et al.'' (1977) – Dorchester Co., at base of tree. ##Biechele (2002) – lower eastern shore of Maryland. ##Lendemer & Knapp (2007) - (3. Chesapeake) #Peltigera rufescens (Weiss) Humb.   eltigeraceae##Biechele (2002) – lower eastern shore of Maryland. #Peltula euploca (Ach.) Poelt   eltulaceae##Skorepa ''et al.'' (1979) – on soil. #Pertusaria amara (Ach.) Nyl.   ertusariaceae##Skorepa ''et al.'' (1979) – on bark. #Pertusaria epixantha R.C. Harris   ertusariaceae##Lendemer & Knapp (2007) - (5. Hickory Pt.) #Pertusaria globularis (Ach.) Tuck.   ertusariaceae##Skorepa ''et al.'' (1979) – on other. #Pertusaria hypothamnolica Dibben   ertusariaceae##Skorepa ''et al.'' (1979) – on bark. #Pertusaria macounii (Lamb) Dibben   ertusariaceae##Skorepa ''et al.'' (1979) – on bark. #Pertusaria multipunctoides Dibben   ertusariaceae##Skorepa ''et al.'' (1979) – on bark. ##Biechele (2002) – lower eastern shore of Maryland. ##E.C. Uebel Herbarium – Baltimore Co., Liberty Reservoir, on trunk of ''Carya''. ##Lendemer & Knapp (2007) - (5. Hickory Pt.) #Pertusaria ophthalmiza (Nyl.) Nyl.   ertusariaceae##Biechele (2002) – lower eastern shore of Maryland. ##Lendemer & Knapp (2007) - (5. Hickory Pt.) #Pertusaria paratuberculifera Dibben   ertusariaceae##''Pertusaria tuberculifera'' Nyl is misidentification for N.A., most specimens are ''P. paratuberculifera''. ##Skorepa ''et al.'' (1977) – Frederick Co., on oak trunks. ##Skorepa ''et al.'' (1979) – on bark. ##Lendemer & Knapp (2007) - (1. Millington), (2. Idylwild), (5. Hickory Pt.), (6. Pocomoke) #Pertusaria plittiana Erichsen   ertusariaceae##Skorepa ''et al.'' (1979) – on acidic rock. #Pertusaria propinqua Müll. Arg.   ertusariaceae##Skorepa ''et al.'' (1979) – on bark. ##Lendemer & Knapp (2007) - (6. Pocomoke) #Pertusaria pustulata (Ach.) Duby   ertusariaceae##Skorepa ''et al.'' (1979) – on bark. ##E.C. Uebel Herbarium – Prince George's Co., on dead limb of deciduous tree. ##Lendemer & Knapp (2007) - (1. Millington) #Pertusaria rubefacta Erichsen   ertusariaceae##Skorepa ''et al.'' (1979) – on bark. #Pertusaria subpertusa Brodo   ertusariaceae##Skorepa ''et al.'' (1979) – on bark. ##Lendemer & Knapp (2007) - (2. Idylwild), (6. Pocomoke) #Pertusaria tetrathalamia (Fée) Nyl.   ertusariaceae##Skorepa ''et al.'' (1979) – on bark. #Pertusaria texana Müll. Arg.   ertusariaceae##Skorepa ''et al.'' (1979) – on bark. ##Lendemer & Knapp (2007) - (2. Idylwild) #Pertusaria trachythallina Erichsen   ertusariaceae##Skorepa ''et al.'' (1979) – on bark. #Pertusaria velata (Turner) Nyl.   ertusariaceae##Skorepa ''et al.'' (1977) – Frederick Co., in oak woods. ##Skorepa ''et al.'' (1979) – on bark. ##Lendemer & Knapp (2007) - (2. Idylwild), (5. Hickory Pt.), (6. Pocomoke) #Pertusaria waghornei Hulting   ertusariaceae##Skorepa ''et al.'' (1979) – on bark. #Pertusaria xanthodes Müll. Arg.   ertusariaceae##Skorepa ''et al.'' (1977) – Harford Co., on tree bark. ##Skorepa ''et al.'' (1979) – on bark. ##E.G. Worthley Herbarium - Calvert Co.; Frederick Co.; Washington Co., on bark of ''Quercus velutina''. ##E.C. Uebel Herbarium – Baltimore Co., Liberty Reservoir, on bark of dead oak branch. #Phaeocalicium curtisii (Tuck.) Tibell   ycocaliciaceae##E.G. Worthley Herbarium - Baltimore Co., on twigs of ''Rhus glabra''. #Phaeocalicium polyporaeum (Nyl.) Tibell   ycocaliciaceae##E.C. Uebel Herbarium – a specimen of Violet Toothed Polypore 'Trichaptum biforme'' (Fries) Ryvardenwas collected with ''Flavoparmelia caperata'' (U-65) growing on the bark of a fallen oak tree at Liberty Reservoir in Baltimore County.   The ''T. biforme'' had a stubble lichen growing on it which was identified by Dr. Steven Selva as ''Phaeocalicium polyporaeum''. ##Lendemer & Knapp (2007) - (2. Idylwild), (4. Sharptown), (6. Pocomoke) #Phaeographis inusta (Ach.) Müll. Arg.   raphidaceae##Lendemer & Knapp (2007) - (2. Idylwild), (4. Sharptown) #Phaeophyscia adiastola (Essl.) Essl.   hysciaceae##Syns.: ''Physcia orbicularis'' (Necker) Poetsch; ''Phaeophyscia orbicularis'' (Necker) Moberg ##Skorepa ''et al.'' (1977) – Allegany Co., on oak trunk. ##Skorepa ''et al.'' (1979) – on bark, acidic rock, other. ##E.G. Worthley Herbarium – Worcester Co., on bark of ''Taxodium''; Frederick Co., Cunningham Falls; Baltimore Co., Church of the Brethren. #Phaeophysica ciliata (Hoffm.) Moberg   hysciaceae##Syn.: ''Physcia ciliata'' (Hoffm.) Du Rietz ##Skorepa ''et al.'' (1977) – Caroline Co., on cement bridge. ##Skorepa ''et al.'' (1979) – on bark. #Phaeophyscia hirsuta (Mereschk.) Essl.   hysciaceae##Syns.: ''Physcia hirsuta'' Mereschk., ''Phaeophyscia cernohorskyi'' (Nádv.) Essl. ##Skorepa ''et al.'' (1979) – on cement. #Phaeophyscia hirtella Essl.   hysciaceae##Skorepa ''et al.'' (1979) – on bark. #Phaeophyscia hispidula (Ach.) Essl.   hysciaceae##Syn.: ''Phaeophyscia imbricata'' Vainio ##Skorepa ''et al.'' (1979) – on bark. #Phaeophyscia pusilloides (Zahlbr.) Essl.   hysciaceae##Syn.: ''Physcia pusilloides'' Zahlbr. ##Skorepa ''et al.'' (1977) – Frederick Co., on trees. ##Skorepa ''et al.'' (1979) – on bark. ##E.C. Uebel Herbarium – Lichens of Soldiers Delight; Baltimore Co., on bark of Norway Maple; #Phaeophyscia rubropulchra (Degel.) Essl.   hysciaceae##Syn.: ''Physcia orbicularis'' f. ''rubropulchra'' Degel. ##Skorepa ''et al.'' (1977) – Garrett Co., in upland woods. ##Skorepa ''et al.'' (1979) – on bark, acidic rock, other. ##Biechele (2002) – lower eastern shore of Maryland. ##E.C. Uebel Herbarium – Lichens of Soldiers Delight; Baltimore Co., Liberty Reservoir, on trunk of Tulip tree. ##Lendemer & Knapp (2007) - (1. Millington), (2. Idylwild) #Phlyctis ludoviciensis (Müll. Arg.) Lendemer   hlyctidaceae##Lendemer & Knapp (2007) - (5. Hickory Pt.) #Physcia adscendens (Fr.) H. Olivier   hysciaceae##Skorepa ''et al.'' (1977) – Allegany Co., on deciduous trees. ##Skorepa ''et al.'' (1979) – on bark, calcareous rock. ##E.G. Worthley Herbarium - Lichens of Soldiers Delight; Baltimore Co., St. Thomas Cemetery, on gravestone. #Physcia aipolia (Ehrh. ''ex'' Humb.) Fürnr. var. aipolia   hysciaceae##Skorepa ''et al.'' (1977) – Worcester Co., on deciduous trees. ##Skorepa ''et al.'' (1979) – on bark. ##Biechele (2002) – lower eastern shore of Maryland. ##E.G. Worthley Herbarium - Lichens of Soldiers Delight; Frederick Co., Cunningham Falls. ##E.C. Uebel Herbarium – Carroll Co., Liberty Reservoir, on bark; Baltimore Co., on Norway Maple. #Physcia americana G. Merr.   hysciaceae##Syn.: ''Physcia tribacoides'' Nyl. ##Skorepa ''et al.'' (1977) – Worcester Co., on deciduous trees. ##Skorepa ''et al.'' (1979) – on bark, acidic rock, calcareous rock. ##E.G. Worthley Herbarium - Baltimore Co., Grace Methodist Church, Gunpowder River, on Tulip Tree; Frederick Co., Cunningham Falls. ##Lendemer & Knapp (2007) - (2. Idylwild), (5. Hickory Pt.) #Physcia millegrana Degel.   hysciaceae##Skorepa ''et al.'' (1977) – Garrett Co., on oak. ##Skorepa ''et al.'' (1979) – on bark, acidic rock. ##Biechele (2002) – lower eastern shore of Maryland. ##E.G. Worthley Herbarium - Calvert Co.; Wicomico Co.; Carroll Co., Falls Realty Company, on cement steps. ##E.C. Uebel Herbarium – Prince Georges Co., on dead limb; Carroll Co., Liberty Reservoir, on bark. ##Lendemer & Knapp (2007) - (2. Idylwild) #Physcia phaea (Tuck.) J.W. Thomson   hysciaceae##Skorepa ''et al.'' (1977) – Baltimore Co., (collected by Plitt 1909) ##Skorepa ''et al.'' (1979) – on acidic rock. #Physcia pseudospeciosa J.W. Thomson   hysciaceae##Skorepa ''et al.'' (1977) – Baltimore Co., on acid rocks. ##Skorepa ''et al.'' (1979) – on acidic rock. ##E.G. Worthley Herbarium - Baltimore Co., near Gunpowder River, on vertical acidic rocks. #Physcia pumilior R.C. Harris   hysciaceae##Lendemer & Knapp (2007) - (2. Idylwild) #Physcia stellaris (L.) Nyl.   hysciaceae##Skorepa ''et al.'' (1977) – Baltimore Co., on oak. ##Skorepa ''et al.'' (1979) – on bark. ##Biechele (2002) – lower eastern shore of Maryland. ##E.C. Uebel Herbarium – Baltimore Co., on bark of Norway Maple; Prince George's Co., on bark. #Physcia subtilis Degel.   hysciaceae##Skorepa ''et al.'' (1977) – Montgomery Co., on rock ledges. ##Skorepa ''et al.'' (1979) – on acidic rock. ##E.G. Worthley Herbarium - Frederick Co., Cunningham Falls. #Physciella chloantha (Ach.) Essl.   hysciaceae##Syn.: ''Physcia luganensis'' Mereschk. ##Skorepa ''et al.'' (1977) – Queen Anne's Co., on cement bridge. ##Skorepa ''et al.'' (1979) – on bark, cement. ##E.C. Uebel Herbarium – Prince George's Co., along bike path, on concrete; on tree branch. #Physconia detersa (Nyl.) Poelt   hysciaceae##Skorepa ''et al.'' (1979) – on bark, calcareous rock, cement. ##E.G. Worthley Herbarium - Lichens of Soldiers Delight; Baltimore Co., Green Spring Valley, on brick wall; on old cement bridge. #Placidium arboreum (Schwein. ''ex'' Michener) Lendemer   errucariaceae##Syn.: ''Dermatocarpon tuckermanii'' (Rav.) Zahlbr.; ''Placidium tuckermanii'' (Ravenel ''ex'' Mont.) Breuss ##Skorepa ''et al.'' (1977) – Allegany Co., base of White Oak. ##Skorepa ''et al.'' (1979) – on bark. ##E.G. Worthley Herbarium - Allegany Co., Green Ridge State Forest, on base of White Oak. #Placidium lachneum (Ach.) Breuss   errucariaceae##E.G. Worthley Herbarium - Lichens of Soldiers Delight. #Placynthiella uliginosa (Schrader) Coppins & P. James   gyriaceae##Syn.: ''Lecidea uliginosa'' (Schrad.) Ach. ##Skorepa ''et al.'' (1977) – Dorchester Co., on oak trunk. ##Skorepa ''et al.'' (1979) – on bark. ##Biechele (2002) – lower eastern shore of Maryland. ##Lendemer & Knapp (2007) - (2. Idylwild) #Placynthium nigrum (Hudson) Gray   lacynthiaceae##Skorepa ''et al.'' (1977) – Garrett Co., on block of cement. ##Skorepa ''et al.'' (1979) – on calcareous rock, cement. ##E.G. Worthley Herbarium - Baltimore Co., St. Thomas Church Cemetery, on rock wall. #Platismatia tuckermanii (Oakes) Culb. & C. Culb.   armeliaceae##Skorepa ''et al.'' (1977) – Garrett Co., on sandstone boulder. ##Skorepa ''et al.'' (1979) – on bark, acidic rock, wood #Polysporina simplex (Davies) Vezda   carosporaceae##Syn.: ''Sarcogyne simplex'' (Davies) Nyl. ##Skorepa ''et al.'' (1979) – on acidic rock. ##E.G. Worthley Herbarium - Howard Co., on rock outcrop. #Porina cestrensis (Tuck. ''ex'' Michener) Müll. Arg.   richotheliaceae##Skorepa ''et al.'' (1979) – on bark. #Porina heterospora (Fink ''ex'' J. Hedrick) R.C. Harris richotheliaceae##Lendemer & Knapp (2007) - (5. Hickory Pt.), (6. Pocomoke) #Porpidia albocaerulescens (Wulfen) Hertel & Knoph   orpidiaceae##Syn.: ''Lecanora albocaerulescens'' (Wulf.) Ach. ##Skorepa ''et al.'' (1977) – Lichens of Soldiers Delight. ##Skorepa ''et al.'' (1979) – on acidic rock. ##E.G. Worthley Herbarium - Baltimore Co., near small bridge, on
Wissahickon schist The Wissahickon Formation is a mapped bedrock unit in Pennsylvania, New Jersey, and Delaware. It is named for the Wissahickon gorge in Fairmount Park, Philadelphia. In Maryland formations, the term "Wissahickon" is no longer used. Rocks in this c ...
; Frederick Co.; Garrett Co., on rocks along Big Run. ##E.C. Uebel Herbarium – Baltimore Co., Liberty Reservoir, on sandstone boulder. #Porpidia crustulata? (Ach.) Hertel & Knoph   orpidiaceae##E.C. Uebel Herbarium – Lichens of Soldiers Delight. #Porpidia macrocarpa (DC.) Hertel & A. J. Schwab   orpidiaceae##Syn.: ''Lecidea macrocarpa'' (DC.) Steud. ##Skorepa ''et al.'' (1977) – Garrett Co., on sandstone. ##Skorepa ''et al.'' (1979) – on acidic rock. #Protoblastenia rupestris (Scop.) J. Steiner   soraceae##Skorepa ''et al.'' (1979) – on calcareous rock, cement. #Pseudevernia consocians (Vainio) Hale & Culb.   armeliaceae##Syn.: ''Parmelia furfuracea'' (L.) Ach. ##Skorepa ''et al.'' (1977) – Garrett Co., on upper branches of Hemlock. ##Skorepa ''et al.'' (1979) – on bark. ##E.G. Worthley Herbarium - Baltimore Co., Owings Mills. #Pseudosagedia cestrensis (Tuck. ''ex'' E. Michener) R.C. Harris   orinaceae##Lendemer & Knapp (2007) - (2. Idylwild) #Pseudosagedia raphidosperma (Müll. Arg.) R.C. Harris   orinaceae##Lendemer & Knapp (2007) - (4. Sharptown) #Psora decipiens (Hedwig) Hoffm.   soraceae##Syn.: ''Lecidea decipiens'' (Hedwig) Ach. ##Skorepa ''et al.'' (1979) – on soil. #Psora russellii (Tuck.) A. Schneider   soraceae##Syn.: ''Lecidea russellii'' Tuck. ##Skorepa ''et al.'' (1977) – Frederick Co., on conglomerate boulders. ##Skorepa ''et al.'' (1979) – on calcareous rock. #Psorotichia schaereri (A. Massal.) Arnold   ichinaceae##Skorepa ''et al.'' (1979) – on cement. #Psorula rufonigra (Tuck.) Gotth. Schneider   soraceae##Syn.: ''Lecidea rufonigra'' (Tuck.) Nyl. ##Skorepa ''et al.'' (1977) – Lichens of Soldiers Delight. ##Skorepa ''et al.'' (1979) – on acidic rock. #Punctelia appalachensis (Culb.) Krog   armeliaceae##Syn.: ''Parmelia appalachensis'' Culb. ##Skorepa ''et al.'' (1979) – on bark. #Punctelia bolliana (Müll. Arg.) Krog   armeliaceae##Syn.: ''Parmelia bolliana'' Müll. Arg. ##Skorepa ''et al.'' (1979) – on bark. #Punctelia borreri (Sm.) Krog   armeliaceae##Syn.: ''Parmelia borreri'' (Sm.) Turner ##Skorepa ''et al.'' (1979) – on bark. #Punctelia missouriensis G. Wilh. & Ladd ##Lendemer & Knapp (2007) - (2. Idylwild) #Punctelia perreticulata (Räsänen) G. Wilh. & Ladd   armeliacae##Syns.: ''Punctelia subrudecta'' (Nyl.) Krog, ''Parmelia subrudecta'' Nyl. ##Skorepa ''et al.'' (1977) – Lichens of Soldiers Delight. ##Skorepa ''et al.'' (1979) – on bark, acidic rock. ##Biechele (2002) – lower eastern shore of Maryland. ##E.G. Worthley Herbarium - Lichens of Soldiers Delight; Baltimore Co., Owings Mills, on bark. ##E.C. Uebel Herbarium – Lichens of Soldiers Delight; Baltimore Co., on bark of Norway Maple. ##Lendemer & Knapp (2007) - (4. Sharptown) #Punctelia rudecta (Ach.) Krog   armeliaceae##Syn.: ''Parmelia rudecta'' Ach. ##Skorepa ''et al.'' (1977) – Caroline Co., on trunks of trees. ##Skorepa ''et al.'' (1979) – on bark, acidic rock. ##Biechele (2002) – lower eastern shore of Maryland. ##E.G. Worthley Herbarium - Lichens of Soldiers Delight; Baltimore Co.,
Ivy Mill Road The following are major and notable roads in Baltimore County, Maryland. A B C D E F G H I J K L M N O P R S T W Y See also * List of streets in Baltimore, Maryland References {{DEFAULTSORT:List Of ...
, on bark; Calvert Co.; Wicomico Co.; Carroll Co., on bark of Tulip Tree. ##E.C. Uebel Herbarium – Prince George's Co., on dead limb; Carroll Co., Liberty Reservoir, on bark. ##Lendemer & Knapp (2007) - (1. Millington), (5. Hickory Pt.), (6. Pocomoke) #Pycnothelia papillaria Dufour   ladoniaceae##Skorepa ''et al.'' (1977) – Prince George's Co., along dirt road. ##Skorepa ''et al.'' (1979) – on soil. ##Biechele (2002) – lower eastern shore of Maryland. ##E.C. Uebel Herbarium – Lichens of Soldiers Delight. #Pyrenula pseudobufonia (Rehm) R.C. Harris   yrenulaceae##Syn.: ''Pyrenula neglecta'' R.C. Harris ##Skorepa ''et al.'' (1979) – on bark. ##Lendemer & Knapp (2007) - (2. Idylwild), (5. Hickory Pt.) #Pyrenula punctella Trevis.   yrenulaceae##Lendemer & Knapp (2007) - (5. Hickory Pt.), (6. Pocomoke) #Pyrenula subelliptica (Tuck.) R.C. Harris   yrenulaceae##Syn.: ''Pyrenula imperfecta'' (Ellis & Everh.) R.C. Harris ##Skorepa ''et al.'' (1979) – on bark. #Pyrrhospora varians (Ach.) R.C. Harris   ecanoraceae##Syn.: ''Lecidea varians'' Ach. ##Skorepa ''et al.'' (1977) – Worcester Co., on twigs of ''Myrica''. ##Skorepa ''et al.'' (1979) – on bark. ##Lendemer & Knapp (2007) - (2. Idylwild), (5. Hickory Pt.), (6. Pocomoke) #Pyxine caesiopruinosa (Tuck.) Imshaug   hysciaceae##Skorepa ''et al.'' (1977) – Howard Co., on tree. ##Skorepa ''et al.'' (1979) – on bark. ##E.G. Worthley Herbarium - Baltimore Co., on bark of ''Juglans nigra''; Carroll Co., on bark of ''Juglans nigra''. #Pyxine sorediata (Ach.) Mont.   hysciaceae##Skorepa ''et al.'' (1977) – Garrett Co., on oak. ##Skorepa ''et al.'' (1979) – on bark. ##Biechele (2002) – lower eastern shore of Maryland. ##E.G. Worthley Herbarium – Frederick Co.; Baltimore Co., growing on a sterile crust, ''Pertusaria''? ##E.C. Uebel Herbarium – Baltimore Co., Liberty Reservoir, on tree root; Ridge Road, on bark Norway Maple. ##Lendemer & Knapp (2007) - (1. Millington), (2. Idylwild), (4. Sharptown) #Pyxine subcinerea Stirton   hysciaceae##E.C. Uebel Herbarium – Prince George's Co., on oak bark; Baltimore Co., on maple bark. #Ramalina americana? Hale   amalinaceae##Biechele (2002) – lower eastern shore of Maryland. #Ramalina fastigiata (Pers.) Ach.   amalinaceae##Skorepa ''et al.'' (1977) – Worcester Co., on branches of deciduous trees. ##Skorepa ''et al.'' (1979) – on bark. #Ramalina willeyi R. Howe   amalinaceae##Skorepa ''et al.'' (1977) – Worcester Co., on branches of deciduous trees. ##Biechele (2002) – lower eastern shore of Maryland. #Ramonia microspora Vězda   yalectaceae##Lendemer & Knapp (2007) - (2. Idylwild) #Rhizocarpon concentricum (Davies) Beltr.   hizocarpaceae##E.G. Worthley Herbarium - Garrett Co., Swallow Falls State Forest, on sandstone. #Rhizocarpon eupetraeum (Nyl.) Arnold   hizocarpaceae##Syn.: ''Rhizocarpon intermedium'' Degel. ##Skorepa ''et al.'' (1979) – on acidic rock. #Rhizocarpon geographicum (L.) DC.   hizocarpaceae##Skorepa ''et al.'' (1979) – on acidic rock. #Rhizocarpon obscuratum (Ach.) A. Massal.   hizocarpaceae##Skorepa ''et al.'' (1977) – Baltimore Co., on rock outcrop. ##Skorepa ''et al.'' (1979) – on acidic rock. #Rhizoplaca chrysoleuca (Sm.) Zopf   ecanoraceae##Syn.: ''Lecanora rubina'' (Vill.) Ach.; ''Lecanora chrysoleuca'' (Sm.) Ach. ##Skorepa ''et al.'' (1977) – Montgomery Co., on rock ledges. ##Skorepa ''et al.'' (1979) – on acidic rock. ##E.G. Worthley Herbarium - Frederick Co., Mt. Catoctin Park; Montgomery Co., Great Falls, on rocks. #Rimelia subisidiosa (Müll. Arg.) Hale & Fletcher   armeliaceae##Syn.: ''Parmelia subisidiosa'' (Müll. Arg.) C.W. Dodge ##Skorepa ''et al.'' (1979) – on bark. #Rinodina applanata H. Magn.   hysciaceae##Skorepa ''et al.'' (1979) – on bark. #Rinodina ascociscana Tuck.   hysciaceae##Skorepa ''et al.'' (1979) – on bark. #Rinodina exigua (Ach.) Gray   hysciaceae##Skorepa ''et al.'' (1979) – on bark. #Rinodina ochrocea Willey ''ex'' Fink   hysciaceae##Skorepa ''et al.'' (1979) – on acidic rock. #Rinodina oxydata (A. Massal.) A. Massal.   hysciaceae##Skorepa ''et al.'' (1979) – on acidic rock. #Rinodina papillata H. Magn.   hysciaceae##Skorepa ''et al.'' (1979) – on bark. #Rinodina subminutaH. Magn.   hysciaceae##Skorepa ''et al.'' (1979) – on bark. #Sarcogyne clavus (DC.) Kremp.   carosporaceae##Skorepa ''et al.'' (1979) – on acidic rock. #Sarcogyne regularis Körber   carosporaceae##Skorepa ''et al.'' (1979) – on calcareous rock. ##E.C. Uebel Herbarium – Prince George's Co., Greenbelt, on hill of concrete. #Sarcosagium campestre (Fr.) Poetsch & Schiedem.   carosporaceae##Syn.: ''Biatorella campestris'' (Fr.) Almq. ##Skorepa ''et al.'' (1979) – on soil. #Schismatomma glaucescens (Nyl. ''ex'' Willey) R.C. Harris   occellaceae##Lendemer & Knapp (2007) - (4. Sharptown) #Scoliciosporum chlorococcum (Stenh.) Vezda   ecanoraceae##Syn.: ''Bacidia chlorococca'' (Graeve ''ex'' Stizenb.) Lett. ##Skorepa ''et al.'' (1977) – Montgomery Co., on oak. ##Skorepa ''et al.'' (1979) – on bark. ##E.G. Worthley Herbarium - Worcester Co., Milburn Landing. ##E.C. Uebel Herbarium – Baltimore Co., Liberty Reservoir, on bark of ''Acer rubrum''. ##Lendemer & Knapp (2007) - (2. Idylwild) #Scoliciosporum umbrinum (Ach.) Arnold   ecanoraceae##Syn.: ''Bacidia umbrina'' (Ach.) Bausch ##Skorepa ''et al.'' (1977) – Garrett Co., on aspens. ##Skorepa ''et al.'' (1979) – on acid rock. #Sphinctrina turbinata (Pers ''ex'' Fr.) de Not.   phinctrinaceae##E.C. Uebel Herbarium – Carroll Co., Liberty Reservoir, on ''Aspicilia caesiocinerea''. #Sticta fuliginosa (Hoffm.) Ach.   obariaceae##E.G. Worthley Herbarium - Frederick Co., along Appalachian Trail, on soil. #Teloschistes chrysophthalmus (L.) Th. Fr.   eloschistaceae##Skorepa ''et al.'' (1979) – on bark. #Tephromela atra (Huds.) Hafellner   acidiaceae##Lendemer & Knapp (2007) - (6. Pocomoke) #Thelidium minutulum Körber   errucariaceae##Lendemer & Knapp (2007) - (5. Hickory Pt.) #Thelotrema monospermum R.C. Harris   helotremataceae##Lendemer & Knapp (2007) - (6. Pocomoke) #Thelotrema subtile Tuck.   helotremataceae##Lendemer & Knapp (2007) - (5. Hickory Pt.), (6. Pocomoke) #Trapelia coarctata (Sm.) M. Choisy   gyriaceae##Syn.: ''Lecidea coarctata'' (Sm.) Nyl. ##Skorepa ''et al.'' (1979) – on acidic rock. #Trapeliopsis flexuosa (Fr.) Coppins & P. James   gyriaceae##Syn.: ''Lecidea aeruginosa'' Borrer ##Skorepa ''et al.'' (1977) – Harford Co., on fence post. ##Skorepa ''et al.'' (1979) – on wood. ##E.C. Uebel Herbarium – Prince George's Co., NE Branch of Anacostia River Bike Trail, on weathered fence rail. ##Lendemer & Knapp (2007) - (2. Idylwild), (3. Chesapeake) #Trapeliopsis granulosa (Hoffm.) Lumbsch   gyriaceae##Syn.: ''Lecidea granulosa'' (Hoffm.) Ach. ##Skorepa ''et al.'' (1979) – on soil. ##E.G. Worthley Herbarium - Montgomery Co., Great Falls, on timber. #Trypethelium virens Tuck. ''ex'' Michener   rypetheliaceae##Skorepa ''et al.'' (1979) – on bark. ##E.G. Worthley Herbarium - Calvert Co., on bark. ##Lendemer & Knapp (2007) - (4. Sharptown), (5. Hickory Pt.) #Tuckermanella fendleri (Nyl.) Essl.   armeliaceae##Syn.: ''Cetraria fendleri'' (Nyl.) Tuck.; ''Tuckermannopsis fendleri'' (Nyl.) Hale ##Skorepa ''et al.'' (1977) – Lichens of Soldiers Delight. ##Skorepa ''et al.'' (1979) – on bark. ##Biechele (2002) – lower eastern shore of Maryland. ##E.G. Worthley Herbarium - Wicomico Co., Wicomico State Park; on Loblolly Pine; Worcester Co., Milburn Landing, on bark of Loblolly Pines. #Tuckermannopsis americana (Sprengel) Hale   armeliaceae##Lendemer & Knapp (2007) - (4. Sharptown) #Tuckermannopsis ciliaris (Ach.) Gyelnik   armeliaceae##Syn.: ''Cetraria ciliaris'' Ach. ##Skorepa ''et al.'' (1977) – Lichens of Soldiers Delight. ##Skorepa ''et al.'' (1979) – on bark. ##E.G. Worthley Herbarium - Lichens of Soldiers Delight; Wicomico Co., on bark. #Umbilicaria mammulata (Ach.) Tuck.   mbilicariaceae##Syn.: ''Gyrophora dillenii'' (Tuck.) Müll. ##Skorepa ''et al.'' (1977) – Garrett Co., on conglomerate. ##Skorepa ''et al.'' (1979) – on bark, acidic rock. ##E.G. Worthley Herbarium - Baltimore Co., Loch Raven, on rock outcrop; Frederick Co., South Mt., on boulders; Montgomery Co., Sugarloaf Mt., on boulders. #Umbilicaria muehlenbergii (Ach.) Tuck.   mbilicariaceae##Skorepa ''et al.'' (1977) – Allegany Co., on rock outcrop. ##Skorepa ''et al.'' (1979) – on acidic rock. #Umbilicaria vellea (L.) Hoffm.   mbilicariaceae##Skorepa ''et al.'' (1977) – No locality. (collected by Plitt 1912) ##Skorepa ''et al.'' (1979) – on acidic rock. #Usnea filipendula Stirton   armeliaceae##Syn.: ''Usnea dasypoga'' (Ach.) Rohl. ##Skorepa ''et al.'' (1977) – Garrett Co., (collected by Smith). ##Skorepa ''et al.'' (1979) – on bark. #Usnea mutabilis Stirton   armeliaceae##Skorepa ''et al.'' (1977) – Worcester Co., on pines. ##Skorepa ''et al.'' (1979) – on bark. ##Biechele (2002) – lower eastern shore of Maryland. ##E.G. Worthley Herbarium - Worcester Co., Pocomoke State Park, on ''Taxodium distichum''. #Usnea pensylvanica Motyka   armeliaceae##Lendemer & Knapp (2007) - (2. Idylwild), (6. Pocomoke) #Usnea strigosa (Ach.) Eaton   armeliaceae##Skorepa ''et al.'' (1977) – Worcester Co., on deciduous trees. ##Biechele (2002) – lower eastern shore of Maryland. ##E.G. Worthley Herbarium – Worcester Co.; Calvert Co, Battle Creek Cypress Swamp; St. Mary's Co.; Wicomico Co. ##E.C. Uebel Herbarium – Baltimore Co., Ridge Rd., on bark of Norway Maple. ##Lendemer & Knapp (2007) - (6. Pocomoke) #Usnea strigosa subsp. rubiginea (Michaux) I. Tav.   armeliaceae##Syn.: ''Usnea rubiginea'' (Michx.) Massal. ##Skorepa ''et al.'' (1977) – Worcester Co., on deciduous trees. ##Skorepa ''et al.'' (1979) – on bark. #''Usnea subscabrosa'' Nyl. ''ex'' Motyka   armeliaceae##Lendemer & Knapp (2007) - (2. Idylwild), (4. Sharptown), (5. Hickory Pt.), (6. Pocomoke) #Usnea trichodea Ach.   armeliaceae##Skorepa ''et al.'' (1977) – Worcester Co., on tops of Cypress trees. ##Skorepa ''et al.'' (1979) – on bark. ##Biechele (2002) – lower eastern shore of Maryland. ##Lendemer & Knapp (2007) - (6. Pocomoke) #Verrucaria calciseda DC.   errucariaceae##Skorepa ''et al.'' (1979) – on calcareous rock. #Verrucaria fuscella (Turner) Winch   errucariaceae##Skorepa ''et al.'' (1979) – on calcareous rock. #Verrucaria glaucovirens Grummann   errucariaceae##Syn.: ''Verrucaria virens'' Nyl. ##Skorepa ''et al.'' (1979) – on calcareous rock. #Verrucaria muralis Ach.   errucariaceae##Skorepa ''et al.'' (1979) – on calcareous rock. #Verrucaria nigrescens Pers.   errucariaceae##Skorepa ''et al.'' (1977) – Lichens of Soldiers Delight. ##Skorepa ''et al.'' (1979) – on calcareous rock. #Verrucaria pinguicula A. Massal.   errucariaceae##Skorepa ''et al.'' (1979) – on calcareous rock. #Xanthomendoza fallax (Hepp) Søchting, Kärnefelt & S. Kondr.   eloschistaceae##Syn.: ''Xanthoria fallax'' (Hepp) Arn. ##Skorepa ''et al.'' (1977) – Worcester Co., on deciduous trees. ##Skorepa ''et al.'' (1979) – on bark, cement. ##Biechele (2002) – lower eastern shore of Maryland. #Xanthomendoza fulva (Hoffm.) Søchting, Kärnefelt & S. Kondr.   eloschistaceae##Syn.: ''Xanthoria fulva'' (Hoffm.) Poelt & Petutschnig ##E.C. Uebel Herbarium – Baltimore Co., Ridge Rd., on bark of Norway Maple. #Xanthoparmelia angustiphylla (Gyelnik) Hale   armeliaceae##Syn.: ''Parmelia hypopsila'' Müll. Arg. = ''Xanthoparmelia hypopsila'', but N.A. records are ''Xanthoparmelia angustiphylla''. ##Skorepa ''et al.'' (1977) – Baltimore Co., on rock outcrop. ##Skorepa ''et al.'' (1979) – on acidic rock. #Xanthoparmelia conspersa (Ehrh. ''ex'' Ach.) Hale   armeliaceae##Syn.: ''Parmelia conspersa'' (Ach.) Ach. ##Skorepa ''et al.'' (1977) – Garrett Co., on rock outcrop. ##Skorepa ''et al.'' (1979) – on acidic rock. ##E.G. Worthley Herbarium - Lichens of Soldiers Delight; Baltimore Co., Gunpowder River, on rock outcrops; Frederick Co. #Xanthoparmelia cumberlandia (Gyelnik) Hale   armeliaceae##Syn.: ''Parmelia cumberlandia'' (Gyelnik) Hale ##Skorepa ''et al.'' (1977) – Baltimore Co., on rocks on hillside. ##Skorepa ''et al.'' (1979) – on acidic rock. #Xanthoparmelia plittii (Gyelnk) Hale   armeliaceae##Syn.: ''Parmelia plittii'' Gyelnik ##Skorepa ''et al.'' (1977) – Washington Co., on rock outcrops. ##Skorepa ''et al.'' (1979) – on acidic rock. ##E.C. Uebel Herbarium – Lichens of Soldiers Delight. #Xanthoparmelia subramigera (Gyelnik) Hale   armeliaceae##E.C. Uebel Herbarium – Prince George's Co., Berwyn Heights, on roof shingles (identified by Dr. Richard C. Harris). #Xanthoparmelia tasmanica (Hook. f. & Taylor) Hale   armeliaceae##Syn.: ''Parmelia tasmanica'' Hook. f. & Taylor ##Skorepa ''et al.'' (1979) – on acidic rock. #Xanthoparmelia viriduloumbrina (Gyelnik) Lendemer   armeliaceae##Syn: ''Parmelia taractica'' Kremplh. = ''Xanthoparmelia taractica'' (Kremp.) Hale – known from Mexico, but misidentifications for our area; specimens in eastern N.A. are ''X. viriduloumbrina''. ##Skorepa ''et al.'' (1977) (''Parmelia taractica'') – Baltimore Co., on serpentine rocks. ##Skorepa ''et al.'' (1979) (''Parmelia taractica'') – on acidic rock. ##E.G. Worthley Herbarium (''Parmelia taractica''); Allegany Co. (''Parmelia taractica''), Green Ridge State Forest, on red shale; Carroll Co. (''Parmelia taractica''), Church of the Brethren, on stone wall. #Xanthoria parietina? (L.) Th. Fr.   eloschistaceae##Biechele (2002) – lower eastern shore of Maryland.


References

*Biechele, Lance T. 2002. ''The lichen flora of the lower Eastern Shore of the Delmarva Peninsula''. Evansia 19 (1): 17–19. *Lendemer, J. C., and W. M. Knapp. 2007. ''Contributions to the lichen flora of Maryland: recent collections from the Delmarva Peninsula''. Opuscula Philolichenum 4: 23–40

*Skorepa, A. C., A. W. Norden and D. R. Windler. 1977. ''Studies on the lichens of Maryland''. nnotated checklist Castanea 42 (4): 265–279. *Skorepa, A. C., A. W. Norden and D. R. Windler. 1979. ''Substrate ecology of lichens in Maryland''. Castanea 44 (3): 129–142. {{Flora of the United States by political division, state=expanded Lists of lichens
Lichens A lichen ( , ) is a composite organism that arises from algae or cyanobacteria living among hypha, filaments of multiple fungus, fungi species in a mutualism (biology), mutualistic relationship.