Hypotrachyna
2 species
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Hypotrachyna sinuosa
Description: Thallus small, lobes rarely wider than 1.5 mm, yellowish to yellowish-green, dichotomously branched. Black, forked rhizines confined to margins. Powdery soredia form on older lobe tips.
Distribution: West of Cascades crest in Washington; northern British Columbia to northern California.
Habitat: Humid, open forest.
Substrate: Most often seen on small twigs and branches of a variety of trees.
Description: Thallus small, lobes rarely wider than 1.5 mm, yellowish to yellowish-green, dichotomously branched. Black, forked rhizines confined to margins. Powdery soredia form on older lobe tips.
Distribution: West of Cascades crest in Washington; northern British Columbia to northern California.
Habitat: Humid, open forest.
Substrate: Most often seen on small twigs and branches of a variety of trees.
