iNaturalist Research Grade Observations (iNat-iNaturalist)
1171222
Physcia aipolia (Ehrh. ex Humb.) Fürnr.
Caliciaceae
tom_carlberg (2015-01-11T02:07:31Z)
So, "immaculate" means spotless, and this one has a spotted upper surface (with maculae). Parmelia has what looks like a network of whitish cracks on the upper surface, and (in the west) no apothecia.
JJ Johnson
2015-01-00
Sat Jan 10 2015 12:42:45 GMT-0800 (PST)
United States of America, California, El Corte de Madera Creek Open Space Preserve
37.412203 -122.306697 +-52m. EPSG:4326
Tight against bark, dark lower surface K+ yellow-green, KC-, C- at parking lot
© held by the observer (listed as 'Collector') at iNaturalist.org, with some rights reserved (CC BY-SA)
72790a51-138d-45d7-bf49-35e344d86b37
For additional information about this specimen, please contact: Ken-ichi Ueda (help@inaturalist.org)
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