Zwackhia
   HOME

TheInfoList



OR:

''Zwackhia'' is a
genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
of
crustose lichen Crustose lichens are lichens that form a crust which strongly adheres to the Substrate (biology), substrate (soil, rock, tree bark, etc.), making separation from the substrate impossible without destruction. The basic structure of crustose lichen ...
s in the family
Lecanographaceae ''Lecanographaceae'' is a family of mostly lichens (also some lichenicolous fungi) in the order Arthoniales. The family was circumscribed in 2014, prompted by a molecular phylogenetic-based restructuring of the Arthoniales. Description Lecanogra ...
. It has six species. The genus was
circumscribed In geometry, the circumscribed circle or circumcircle of a polygon is a circle that passes through all the vertices of the polygon. The center of this circle is called the circumcenter and its radius is called the circumradius. Not every polyg ...
in 1855 by German lichenologist
Gustav Wilhelm Körber Gustav Wilhelm Körber (10 January 1817, Hirschberg – 27 January 1885, Breslau) was a German lichenologist. He studied natural sciences in Breslau and Berlin, obtaining his PhD in 1839 with the thesis ''De gonidiis lichenum''. After graduati ...
. He assigned ''Zwackhia involuta'' as the
type species In zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specimen ...
; this species is now known as '' Z. viridis''. The genus name of ''Zwackhia'' is in honour of Philipp Franz Wilhelm von Zwackh-Holzhausen (1826–1903), who was a German
botanist Botany, also called , plant biology or phytology, is the science of plant life and a branch of biology. A botanist, plant scientist or phytologist is a scientist who specialises in this field. The term "botany" comes from the Ancient Greek wo ...
(Lichenology and Mycology). He was also a Military Officer as well as being a landowner near
Heidelberg Heidelberg (; Palatine German language, Palatine German: ''Heidlberg'') is a city in the States of Germany, German state of Baden-Württemberg, situated on the river Neckar in south-west Germany. As of the 2016 census, its population was 159,914 ...
. He was financially independent and owned large
Herbarium A herbarium (plural: herbaria) is a collection of preserved plant specimens and associated data used for scientific study. The specimens may be whole plants or plant parts; these will usually be in dried form mounted on a sheet of paper (called ...
.


Species

As accepted by
Species Fungorum ''Index Fungorum'' is an international project to index all formal names (scientific names) in the fungus kingdom. the project is based at the Royal Botanic Gardens, Kew, one of three partners along with Landcare Research and the Institute of Mi ...
; *'' Zwackhia bonplandii'' *'' Zwackhia circumducta'' *'' Zwackhia prosodea'' *'' Zwackhia robusta'' *'' Zwackhia sorediifera'' *'' Zwackhia viridis'' Former species; * ''Z. involuta'' = ''Zwackhia viridis'' * ''Z. involuta'' f. ''taxicola'' = ''Zwackhia prosodea''


References

Arthoniomycetes Arthoniomycetes genera Taxa described in 1855 Taxa named by Gustav Wilhelm Körber Lichen genera {{Arthoniomycetes-stub