genus
Frosted Lichens
Physconia
Field notes
Physconia is a genus of lichen-forming fungi in the family Physciaceae. It comprises 13 species. The genus was established in 1965 by the lichenologist Josef Poelt and is characterized by leaf-like growth forms with lobes typically less than 3 mm wide that often have a whitish, powdery coating on their tips. These lichens can be distinguished from similar genera by their distinctive brown ascospores that have thick walls, fine warts, and a single dividing wall but lack the end thickenings found in related groups.
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- Grey Frost Lichen present
- Physconia distorta
- Yellow-edged Frost Lichen native
- Bottlebrush Frost Lichen native
- Crescent Frost Lichen native
- Bottle-brush Frost Lichen present
- Ground Frost Lichen native
- Pale-bellied Frost Lichen present
- Fancy Frost Lichen present
- Physconia grumosa
- Bottlebrush Frost Lichen native
- Physconia californica
- Physconia isidiomuscigena
- Physconia pulverulenta
- Physconia elegantula
- Physconia fallax
Range
Greener is more native, amber more introduced; paler is less certain. How this was decided
Most observed native frosted lichens All
Native to the US, by observations.
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Yellow-edged Frost Lichen
Physconia enteroxantha
2,068 observations
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Bottlebrush Frost Lichen
Physconia detersa
1,807 observations
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Crescent Frost Lichen
Physconia perisidiosa
1,046 observations
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Ground Frost Lichen
Physconia muscigena
336 observations
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Bottlebrush Frost Lichen
Physconia isidiigera
40 observations