Lichenomphalia
| Lichenomphalia | |
|---|---|
 |
|
| Lichenomphalia umbellifera | |
| Scientific classification | |
| Kingdom: | Fungi |
| Division: | Basidiomycota |
| Class: | Agaricomycetes |
| Order: | Agaricales |
| Family: | Hygrophoraceae |
| Genus: |
Lichenomphalia Redhead, Lutzoni, Moncalvo & Vilgalys (2002) |
| Type species | |
|
Lichenomphalia hudsoniana (H.S.Jenn.) Redhead, Lutzoni, Moncalvo & Vilgalys (2002) |
|
| Species | |
|
L. alpina |
|
| Synonyms | |
|
|
L. alpina
L. aurantiaca
L. chromacea
L. grisella
L. hudsoniana
L. lobata
L. meridionalis
L. umbellifera
L. velutina
Lichenomphalia is both a basidiolichen and an agaric genus. Most of the species have inconspicuous lichenized thalli that consist of scattered, small, loose, nearly microscopic green balls or foliose small flakes containing single-celled green algae in the genus Coccomyxa, all interconnected by a loose network of hyphae. The agaric fruit bodies themselves are nonlichenized and resemble other types of omphalinoid mushrooms. These agarics lack clamp connections and do not form hymenial cystidia. The basidiospores are hyaline, smooth, thin-walled, and nonamyloid. Most of the species were originally classified in the genera Omphalina or Gerronema. Historically the species were classified with those other genera in the family, the Tricholomataceae together with the nonlichenized species. Lichenomphalia species can be grouped into brightly colored taxa, with vivid yellow and orange colors, versus the grey brown group, depending upon the microscopic pigmentation deposits. Molecular research comparing DNA sequences now place Lichenomphalia close to the redefined genus Arrhenia, which together with several other genera not traditionally considered to be related, fall within the newly redefined Hygrophoraceae.
Lichenomphalia is derived from the word lichen combined with the old, shorter, generic name Omphalia from whence the more familiar, longer, diminutive generic name Omphalina was derived. Basically it means the lichen omphalias.
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