Hypogymnia occidentalis L.H. Pike 1982
Nomenclature
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Family: ParmeliaceaeGenus: Hypogymnia (Nyl.) Nyl. 1896
SUMMARY
Appressed, puffy lobes, with short bud-like side lobes, often rugose upper surface, conspicuous perforations in lobe tips and axils, medulla K-, KC+ orange, P-.