Observation 49341: Umbilicaria proboscidea (L.) Schrader
When: 2010-07-23
No herbarium specimen

Notes: Growing on dry granite with numerous other lichens. Very common. 3000m elevation

[admin – Sat Aug 14 01:59:49 +0000 2010]: Changed location name from ‘Darwin Canyon, Kings Canyon National Park, California, USA’ to ‘Darwin Canyon, Death Valley National Park, California, USA

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Can’t quite see the apothecia
By: Jason Hollinger (jason)
2010-07-29 19:58:33 CEST (+0200)

U. krascheninnikovii and U. proboscidea are nearly identical except for the apothecia: the former has smooth disks, the latter “gyrose” (a contorted ridged/fissured texture). Oh, and it looks like there are two analogous species which are “sooty” underneath, U. decussata and U. lyngei. What a mess.

Created: 2010-07-29 15:37:46 CEST (+0200)
Last modified: 2011-06-17 15:43:10 CEST (+0200)
Viewed: 32 times, last viewed: 2016-03-24 10:40:17 CET (+0100)
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