Observation 211967: Hypogymnia physodes (L.) Nyl.

When: 2015-07-30

Collection location: Rapid City, South Dakota, USA [Click for map]

43.9919° -103.3197° 1219m

Who: J-Dar

Specimen available

Uncommon at this location on Ponderosa Pine (Pinus ponderosa) in coniferous forest habitat.

Thallus blue grey, K+Y (deep yellow, turning brownish), maculate without pseudocyphellae or pruina. Medulla white, K+orangish, C-, KC same as K (no change with addition of C). Thallus underside blackish in center, fading to pale tan at lobe margins, rugose, without rhizines, cortex sometimes separating at lobe tips creating hollows where soredia form, otherwise soredia form on underside of lobe tips. Lobe tips forming round hoods reminiscent of P. adscendens.

Proposed Names

-28% (1)
Recognized by sight
92% (2)
Eye3 Eyes3
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Created: 2015-08-04 23:36:31 CDT (-0400)
Last modified: 2015-12-06 11:53:26 CST (-0500)
Viewed: 27 times, last viewed: 2017-06-20 13:18:00 CDT (-0400)
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