When: 2009-03-21

Collection location: Sunol Regional Wilderness, Alameda Co., California, USA [Click for map]

Who: Debbie Viess (amanitarita)

No specimen available


[admin – Sat Aug 14 02:06:33 +0000 2010]: Changed location name from ‘Sunol Regional Park, Contra Costa County, CA’ to ‘Sunol Regional Park, Contra Costa Co., California, USA’


Proposed Names

57% (1)
Recognized by sight
70% (1)
Recognized by sight: Saxicolous, yellowish-green (‘usnic-yellow’), foliose lichens include Arctoparmelia, Xanthoparmelia, and some Flavoparmelia. Arctoparmelia and Flavoparmelia never have the darkened lobe-tips or shiny upper surface seen in the photo. The thalli are probably a bit too immature to identify to the species level, so Xanthoparmelia sp. it is!.
Used references: Photos and comments in ‘Lichens of North America’ (Brodo et al., 2001).

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= Observer’s choice
= Current consensus


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