Texosporium
Encyclopedia
Texosporium is a genus
of lichen
ized fungi in the family Caliciaceae
. This is a monotypic
genus, containing the single species Texosporium sancti-jacobi, found in the USA. The genus is characterized by ascospore
s that are coated with a layer of cells derived from the paraphyses
.
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
of lichen
Lichen
Lichens are composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner , usually either a green alga or cyanobacterium...
ized fungi in the family Caliciaceae
Caliciaceae
The Caliciaceae are a family of mostly lichen-forming fungi belonging to the class Lecanoromycetes in the division Ascomycota. The family contains 31 genera and 731 species.-Genera:*Acolium*Acroscyphus*Amandinea*Australiaena*Buellia...
. This is a monotypic
Monotypic
In biology, a monotypic taxon is a taxonomic group with only one biological type. The term's usage differs slightly between botany and zoology. The term monotypic has a separate use in conservation biology, monotypic habitat, regarding species habitat conversion eliminating biodiversity and...
genus, containing the single species Texosporium sancti-jacobi, found in the USA. The genus is characterized by ascospore
Ascospore
An ascospore is a spore contained in an ascus or that was produced inside an ascus. This kind of spore is specific to fungi classified as ascomycetes ....
s that are coated with a layer of cells derived from the paraphyses
Paraphyses
Paraphyses are part of the fertile spore-bearing layer in certain fungi. More specifically, paraphyses are sterile filamentous hyphal end cells composing part of the hymenium of Ascomycota and Basidiomycota interspersed among either the asci or basidia respectively, and not sufficiently...
.