''Henrica'' 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 ...

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

Verrucariaceae The Verrucariaceae are a family of mostly lichenised fungi in the order Verrucariales. The lichen-forming species, which comprise the vast majority of the family, have a wide variety of thallus forms, and include crustose (crust-like), foliose ( ...

. It has four 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 ...

Maurice Bouly de Lesdain Maurice Léopold Joseph Bouly de Lesdain (20 September 1869–3 January 1965) was a French botanist and lichenologist. Early life and career Bouly de Lesdain was born in Dunkirk on 20 September 1869. He did his classical studies at the Jesui ...

in 1921, with '' Henrica ramulosa'' assigned 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 ...

. The generic name ''Henrica'' honours Italian clergyman and lichenologist Joseph-Marie Henry (1870–1947).

Species

* ''

Henrica americana ''Henrica'' is a genus of crustose lichens in the family Verrucariaceae. It has four species. The genus was circumscribed by Maurice Bouly de Lesdain in 1921, with '' Henrica ramulosa'' assigned as the type species In zoological nomenclature, a ...

'' * ''

Henrica melaspora ''Henrica'' is a genus of crustose lichens in the family Verrucariaceae. It has four species. The genus was circumscribed by Maurice Bouly de Lesdain in 1921, with '' Henrica ramulosa'' assigned as the type species. The generic name ''Henrica'' h ...

'' * '' Henrica ramulosa'' * '' Henrica theleodes''

References

Verrucariales Eurotiomycetes genera Lichen genera Taxa described in 1921 Taxa named by Maurice Bouly de Lesdain {{Eurotiomycetes-stub