The Plant Collections Network (PCN) (formerly the North American Plant Collections Consortium) is a group of

North America North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...

n botanical gardens and arboreta that coordinates a continent-wide approach to plant germplasm preservation, and promotes excellence in plant collections management. The program is administered by the American Public Gardens Association from its headquarters in Kennett Square, Pennsylvania in collaboration with the USDA- Agricultural Research Service. Current objectives of the Plant Collections Network are to: * Build Awareness – of both Plant Collections Network & value of documented plant collections * Promote Standards of Excellence – in plant collections management; and * Expand Diversity of Collections – target existing collections, identify gaps for future collections The network is intended to represent woody and herbaceous ornamentals, both native and exotic. The main objective for each network member is to assemble a comprehensive group of plants for a particular taxon, collecting plants from different populations throughout their natural range that are both

taxonomically In biology, taxonomy () is the scientific study of naming, defining ( circumscribing) and classifying groups of biological organisms based on shared characteristics. Organisms are grouped into taxa (singular: taxon) and these groups are gi ...

and genetically distinct. Participating institutions maximize the potential value of their collections by making efficient use of available resources through a coordinated continent-wide approach, and strengthening their own collections through collaboration with others. Criteria for participation in the Plant Collections Network are: * American Public Gardens Association membership * Active collections management program including plant records database, accession labels, maps * Long-term commitment to maintain collection * Endorsement of governing body * Current collection has 50% or more of ultimate collection scope * Collections policy * Curator for collection; and * Access to collection for research, evaluation and plant introduction The accreditation process includes submitting a written application for each collection to be considered, then a peer site reviewer conducts an onsite assessment and submits a report with recommendations. As of March 2016, Network participants and Nationally Accredited Plant Collections™ included: * Arizona-Sonora Desert Museum ** Agavaceae - Sonoran Desert; 65 taxa * Arboretum at Arizona State University ** '' Phoenix''; 300 taxa, 40 varieties *

Arnold Arboretum The Arnold Arboretum of Harvard University is a botanical research institution and free public park, located in the Jamaica Plain and Roslindale neighborhoods of Boston, Massachusetts. Established in 1872, it is the oldest public arboretum in N ...

of Harvard University ** '' Acer''; multi-site ** '' Carya''; 16 taxa, 11 spp ** '' Fagus''; 26 taxa ** ''

Stewartia :Stewartia'' as described by Philibert Commerçon is a synonym of ''Dombeya. ''Stewartia'' (sometimes spelled ''Stuartia''Sprague, T.A. (1928). The correct spelling of certain generic names. III. ''Kew Bulletin'' 1928: 337-365.Royal Botanic Gar ...

''; 11 taxa ** '' Syringa''; 238 taxa, 20 spp ** '' Tsuga''; 72 taxa, 7 spp * Atlanta Botanical Garden ** '' Acer;'' 82 taxa ** '' Magnolia''; multi-site ** '' Sarracenia''; 78 taxa
Bartlett Tree Research Laboratory and Arboretum
** '' Acer''; multi-site ** ''

Hamamelis Witch-hazels or witch hazels (''Hamamelis'') are a genus of flowering plants in the family Hamamelidaceae, with three species in North America ('' H. ovalis'', '' H. virginiana'', and '' H. vernalis''), and one each in Japan ('' H.&nb ...

''; 161 taxa ** '' Magnolia''; multi-site ** '' Quercus''; multi-site ** '' Ulmus''; 62 taxa * Betty Ford Alpine Gardens ** Alpine Plants of Colorado; 87 taxa * Boyce Thompson Arboretum **

Fabaceae The Fabaceae or Leguminosae,International Code of Nomenc ...

- Desert Legumes; 1454 taxa as seeds, 206 taxa as plants ** '' Quercus''; multi-site * University of British Columbia Botanical Garden ** '' Acer''; multi-site ** '' Magnolia''; multi-site * University of California Botanical Garden at Berkeley ** Cycads; multi-site ** Ferns; 360 taxa, with 500+ accessions ** '' Magnolia''; multi-site ** '' Quercus''; multi-site *

Cheekwood Botanical Garden Cheekwood is a historic estate on the western edge of Nashville, Tennessee that houses the Cheekwood Estate & Gardens. Formerly the residence of Nashville's Cheek family, the Georgian-style mansion was opened as a botanical garden and art muse ...

** '' Cornus''; 61 taxa * Chicago Botanic Garden ** ''

Geranium ''Geranium'' is a genus of 422 species of annual, biennial, and perennial plants that are commonly known as geraniums or cranesbills. They are found throughout the temperate regions of the world and the mountains of the tropics, but mostly in ...

''; 102 taxa ** '' Quercus''; 48 taxa ** '' Spiraea''; 52 taxa *

Cornell Plantations The Cornell Botanic Gardens is a botanical garden located adjacent to the Cornell University campus in Ithaca, New York. The Botanic Gardens proper consist of of botanical gardens and of the F. R. Newman Arboretum. The greater Botanic Gardens ...

** '' Acer''; multi-site ** '' Quercus''; multi-site *

Donald E. Davis Arboretum The Donald E. Davis Arboretum, in Auburn, Alabama, United States, is a public native plants museum, and botanical arboretum with educational facilities, event spaces, and a conservation program. Its grounds, covering 13.5 acres (4.5 hectares) of ...

** '' Quercus''; multi-site * University of California Davis Arboretum ** '' Quercus''; multi-site *

Dawes Arboretum The Dawes Arboretum is a nonprofit arboretum located in Newark, Ohio. It includes nearly of plant collections, gardens and natural areas. The site includes approximately 12 miles (19 km) of hiking trails and roadways for a four-mile (6&nbs ...

** '' Acer''; multi-site ** '' Aesculus''; 59 taxa ** ''

''; 75 taxa ** '' Metasequoia''; 9 taxa, with 47 accessions of documented wild-origin, 8 cultivars * Denver Botanic Gardens ** Alpine Plants of the World; 223 taxa ** '' Quercus''; multi-site * Desert Botanical Garden ** Agavaceae; 346 taxa ** Cactaceae; 1319 taxa *

The Arboretum at Flagstaff The Arboretum at Flagstaff is a arboretum that is home to 750 species of mostly drought-tolerant adapted and native plants representative of the high-desert Colorado Plateau, home to the Grand Canyon and Zion National Park. It is located south o ...

** '' Penstemon'' (provisional) -

Colorado Plateau The Colorado Plateau, also known as the Colorado Plateau Province, is a physiographic and desert region of the Intermontane Plateaus, roughly centered on the Four Corners region of the southwestern United States. This province covers an area of ...

, Arizona species; 37 taxa * University of Florida- North Florida Research and Education Center ** '' Magnolia''; multi-site * Fort Worth Botanic Garden ** Begonia; 1001 taxa *

Fullerton Arboretum The Fullerton Arboretum is a botanical garden with a collection of plants from around the world, located on the northeast corner of the California State University, Fullerton campus in Fullerton, California, in the United States. It is the larg ...

( California State University) ** '' Citrus''; 36 accessions, representing 20 taxa * Ganna Walska Lotusland ** Cycads; multi-site *

Green Spring Gardens Park Green Spring Gardens (31 acres) is a public park, including a historic 18th-century plantation house "Green Spring", which is the heart of a national historic district listed on the National Register of Historic Places in 2003. The Fairfax County ...

** ''

''; 80 taxa, including all 4 spp *

Henry Foundation for Botanical Research The Henry Foundation for Botanical Research is a nonprofit botanical garden of 50 acres located in Lower Merion Township, Pennsylvania at 801 Stony Lane, Gladwyne. The garden was established in 1948 by botanist and plant explorer Mary Gibson Henr ...

** '' Magnolia''; multi-site * Highstead Arboretum ** '' Kalmia''; 82 taxa, including 3 spp, 76 cultivars, 4 forms, 2 hybrids * Holden Arboretum ** '' Quercus''; multi-site * Hoyt Arboretum ** '' Acer''; multi-site ** '' Magnolia''; multi-site * The Huntington Botanical Gardens ** '' Camellia''; 1240 taxa, including 40 spp, 1200 cultivars * Huntsville Botanical Garden ** '' Trillium''; 66 taxa, including 28 spp *

Idaho Botanical Garden The Idaho Botanical Garden, located in the historic Old Penitentiary District of Boise, Idaho, is a 501(c)(3) nonprofit organization dedicated to connecting people, plants, and nature. The Garden serves as a gathering space in the Boise communit ...

** '' Penstemon'' - Western US (provisional); 33 taxa *

Jenkins Arboretum Jenkins Arboretum & Gardens (48 acres) is a nonprofit botanical garden located at 631 Berwyn Baptist Road, Devon, Pennsylvania. The grounds are open to the public daily with free admission. Hours change seasonally and are listed on the Arboretum'w ...

** '' Kalmia''; 48 taxa ** ''

Rhododendron ''Rhododendron'' (; from Ancient Greek ''rhódon'' "rose" and ''déndron'' "tree") is a very large genus of about 1,024 species of woody plants in the heath family (Ericaceae). They can be either evergreen or deciduous. Most species are nati ...

''; 1861 taxa * Jensen-Olson Arboretum ** '' Primula''; 65 taxa *

George Landis Arboretum The George Landis Arboretum is a public garden comprising hundreds of acres of which 40 are devoted to noteworthy collections and gardens overlooking the Schoharie Valley near Esperance, New York, United States. The physical address is 174 Lape Roa ...

** '' Quercus'' of the Northeast U.S.; 14 taxa, 9 spp * Springs Preserve ** Mojave Desert Cacti and Succulents; 28 taxa * Longwood Gardens ** ''

Nymphaea ''Nymphaea'' () is a genus of hardy and tender aquatic plants in the family Nymphaeaceae. The genus has a cosmopolitan distribution. Many species are cultivated as ornamental plants, and many cultivars have been bred. Some taxa occur as introduc ...

''; 97 taxa * Matthaei Botanical Gardens and Nichols Arboretum ** Paeonia; 317 taxa, with 467 plants *

Mendocino Coast Botanical Gardens The Mendocino Coast Botanical Gardens are located on 47 acres (19 hectares) in Fort Bragg, California, United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country p ...

** Heath and Heather; 134 taxa * Minnesota Landscape Arboretum ** Grasses; 184 taxa ** '' Pinus''; 60 taxa * Missouri Botanical Garden ** '' Quercus''; multi-site *

Montgomery Botanical Center The Montgomery Botanical Center (120 acres), originally known as the Montgomery Foundation, is a nonprofit botanical garden and institution located at 11901 Old Cutler Road, Coral Gables, Florida. It collects seeds from wild plant populations worl ...

Arecaceae The Arecaceae is a family of perennial flowering plants in the monocot order Arecales. Their growth form can be climbers, shrubs, tree-like and stemless plants, all commonly known as palms. Those having a tree-like form are called palm trees ...

; 356 taxa ** Cycads; multi-site * Montreal Botanical Garden ** '' Rosa''; 1097 taxa, including 115 spp * Moore Farms Botanical Garden ** '' Magnolia''; multi-site * Morris Arboretum of the University of Pennsylvania ** '' Abies''; 35 taxa, including cultivars ** '' Acer''; multi-site ** '' Quercus''; multi-site * Morton Arboretum ** '' Acer;'' multi-site ** '' Magnolia''; multi-site ** '' Malus''; 185 taxa, 9 out of 10 known species, plus cultivars ** '' Quercus''; multi-site ** ''

Tilia ''Tilia'' is a genus of about 30 species of trees or bushes, native throughout most of the temperateness, temperate Northern Hemisphere. The tree is known as linden for the European species, and basswood for North American species. In Britain a ...

''; 45 taxa ** '' Ulmus''; 78 taxa, 35 spp, 43 hybrids and cultivars *

Mount Auburn Cemetery Mount Auburn Cemetery is the first rural cemetery, rural, or garden, cemetery in the United States, located on the line between Cambridge, Massachusetts, Cambridge and Watertown, Massachusetts, Watertown in Middlesex County, Massachusetts, Middl ...

** '' Quercus''; multi-site * Mt. Cuba Center ** '' Hexastylis''; 39 taxa, including 10 spp ** '' Trillium''; 84 taxa *

Naples Botanical Garden Naples Botanical Garden is a botanical garden located in Naples, Florida. History The botanical garden was founded in 1993 and consists of 170 acres of cultivated gardens and preservation land, representing seven distinct natural habitats and e ...

** Plumeria; 585 taxa *

New England Wild Flower Society The Native Plant Trust, founded in 1900 as the Society for the Protection of Native Plants, and long known as the New England Wild Flower Society, is the nation's first plant conservation organization. The society is dedicated to the preservatio ...

** '' Trillium''; 28 taxa * New York Botanical Garden ** '' Acer''; multi-site ** '' Quercus''; multi-site *

Norfolk Botanical Garden The Norfolk Botanical Garden (158 acres) is a botanical garden with arboretum located at 6700 Azalea Garden Road, Norfolk, Virginia. History The Norfolk Botanical Garden was founded through the collaboration between Norfolk City Manager Thomas ...

** '' Camellia''; 525 taxa ** '' Hydrangea''; 190 taxa ** '' Lagerstroemia''; 75 taxa *

North Carolina Arboretum The North Carolina Arboretum () is an arboretum and botanical garden located within the Bent Creek Experimental Forest of the Pisgah National Forest at 100 Frederick Law Olmsted Way, southwest of Asheville, North Carolina near the Blue Ridge Par ...

** ''

''; 15 spp, native

azalea Azaleas are flowering shrubs in the genus ''Rhododendron'', particularly the former sections ''Tsutsusi'' (evergreen) and '' Pentanthera'' (deciduous). Azaleas bloom in the spring (April and May in the temperate Northern Hemisphere, and Octob ...

s * Phipps Conservatory and Botanical Gardens ** subfamily Cypripedioideae; 352 taxa * Polly Hill Arboretum ** ''

''; 19 taxa * Powell Gardens ** '' Magnolia''; multi-site *

Quarryhill Botanical Garden Sonoma Botanical Garden (formerly Quarryhill Botanical Garden) is a 501(c)3 private nonprofit education and research botanical garden, home to one of the largest collections of scientifically documented, wild-source Asian plants in North America ...

** '' Acer''; multi-site ** '' Magnolia'' (provisional) *

Rancho Santa Ana Botanic Garden The California Botanic Garden (formerly the Rancho Santa Ana Botanic Garden) is a botanical garden in Claremont, California, in the United States, just south of the San Gabriel foothills. The garden, at , is the largest botanic garden in the sta ...

** '' Quercus''; multi-site * JC Raulston Arboretum ** '' Cercis''; 40 taxa, including 7 spp, 33 cultivars ** '' Magnolia''; multi-site *

Reiman Gardens Reiman Gardens (pronounced Rye-Men) is a university-owned public garden located immediately south of Jack Trice Stadium on the Iowa State University (ISU) campus in Ames, Iowa. Reiman Gardens is a year-round garden with events, programs, lect ...

at Iowa State University **

Griffith Buck Griffith J. Buck (1915 – 28 March 1991) was an American professor and a horticulturist. He taught horticulture at Iowa State University and he created over 80 named cultivars of the rose, all of which are capable of withstanding temperatur ...

Roses; 75 cultivars * Rhododendron Species Foundation and Botanical Garden ** ''

'' subsect. ''Fortunea''; 15 taxa, with 104 accessions * Rogerson Clematis Garden ** '' Clematis'' ;'' 709 taxa *

San Diego Botanic Garden The San Diego Botanic Garden, formerly Quail Botanical Gardens, is a botanical garden in Encinitas, California, United States. At , the garden includes rare bamboo groves (said to be the largest bamboo collection in the United States), desert garde ...

** Bamboo; 121 taxa * San Diego Zoo Global ** Cycads; multi-site ** Orchids; 907 taxa *

San Francisco Botanical Garden The San Francisco Botanical Garden at Strybing Arboretum (formerly Strybing Arboretum) is located in San Francisco's Golden Gate Park. Its 55 acres (22.3 ha) represents nearly 9,000 different kinds of plants from around the world, with p ...

at Strybing Arboretum **

- high elevation; 107 taxa ** '' Magnolia''; multi-site ** Mesoamerican

Cloud Forest A cloud forest, also called a water forest, primas forest, or tropical montane cloud forest (TMCF), is a generally tropical or subtropical, evergreen, montane, moist forest characterized by a persistent, frequent or seasonal low-level cloud c ...

; 550 taxa, primarily from tropical mountains of southern Mexico and Central America * Santa Barbara Botanic Garden ** '' Dudleya''; 52 taxa *

Scott Arboretum Scott Arboretum () is an arboretum coterminous with the campus of and operated by Swarthmore College. It is open to the public daily without charge. The arboretum was established and endowed by the Scott family in 1929 in honor of Arthur Hoyt Scot ...

Swarthmore College Swarthmore College ( , ) is a Private college, private Liberal arts colleges in the United States, liberal arts college in Swarthmore, Pennsylvania. Founded in 1864, with its first classes held in 1869, Swarthmore is one of the earliest coeduca ...

** '' Ilex''; 312 taxa ** '' Magnolia''; multi-site ** '' Quercus''; multi-site *

Smithsonian Gardens The Smithsonian Gardens, a division of the Smithsonian Institution, is responsible for the "landscapes, interiorscapes, and horticulture-related collections and exhibits", which serve as an outdoor extension of the Smithsonian's museums and learn ...

** Orchids - tropical species; 2400 accessions *

South Carolina Botanical Garden The South Carolina Botanical Garden (295 acres) is located in Clemson, South Carolina on the campus of Clemson University. This garden has nature trails, pathways, ponds, streams, woodlands, trial gardens, The Bob Campbell Geology Museum, and the ...

** '' Magnolia''; multi-site *

Starhill Forest Arboretum Starhill Forest Arboretum (50 acres) is a private arboretum located at 12000 Boy Scout Trail, Petersburg, Illinois. The arboretum has been owned and operated by the Sternberg family ( Edie Sternberg and Guy Sternberg) since 1976. Old trees in the ...

** '' Quercus''; multi-site *

Taltree Arboretum and Gardens Gabis Arboretum at Purdue Northwest is a nature preserve near Valparaiso, Indiana in the United States. The preserve has the largest collection of oak trees in Indiana and an award winning garden railway. History In 1990, Damien Gabis, and a g ...

** '' Quercus''; multi-site * Toledo Botanical Garden ** '' Hosta''; 495 taxa, including 43 spp, 452 cultivars, with 2500 accessions *

Tyler Arboretum Tyler Arboretum is a nonprofit arboretum located at 515 Painter Road, Middletown Township, Delaware County, Pennsylvania. It is open daily except for major holidays; an admission fee is charged to non-members. The property's history began in ...

** ''

''; 529 taxa, with 1493 accessions * United States National Arboretum ** '' Buxus''; 190 taxa * University of Washington Botanic Gardens ** '' Acer''; multi-site ** ''Ilex''; 47 taxa ** '' Magnolia''; multi-site ** '' Quercus''; multi-site * VanDusen Botanical Garden ** '' Magnolia'' (provisional)

References

External links

* {{authority control Botanical gardens in the United States Botanical societies Flora of the United States Plant conservation

See also

References

External links