R. Fraley

Gallery

Lichens

This section highlights a small group of visually distinctive and ecologically representative lichens that serve as reliable entry points for identification and comparison. Each species is common enough to encounter, distinctive enough to recognize with practice, and well-documented in the Gallery and Field Notes.

Common Greenshield Common Greenshield
Flavoparmelia caperata

A large, pale foliose lichen of mature hardwood bark, establishing scale, lobe structure, and laminal apothecia.

Rough Speckled Shield Rough Speckled Shield
Punctelia rudecta

A broad foliose shield marked by punctate pseudocyphellae, introducing surface texture as a key diagnostic feature.

Hooded Sunburst Hooded Sunburst
Xanthomendoza fallax

A vivid orange foliose lichen with frequent apothecia, anchoring color-based identification.

Powdery Shield Powdery Shield
Physcia millegrana

A compact foliose lichen with a matte, powder-dusted surface, defined by abundant soredia rather than prominent apothecia.

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Field Notes

Lichen Field Notes
Lichen Field Notes
Identification details, growth forms, and diagnostic features.
Species-level observations focus on growth form, surface features, and substrates, supporting accurate identification alongside the Gallery images.