Arizona State University Lichen Herbarium (ASU:Lichens)
ASUL012539
4c2b0fbc-06dc-4825-af99-1ad3d54215dc
SEDONA_0128
Placynthium nigrum (Hudson) Gray
Placynthiaceae
Garry Neil
Garry Neil
121
2017-04-10
10-Apr-17
United States, Arizona, Yavapai, Chuckwagon Trail, Coconino National Forest, Red Rock Ranger District
34.909922 -111.817798
UTM 12 S 0425292 3863359
1387 meters (4549ft)
sandstone in shade and near seasonal wash, shaded, Pinon-Juniper Woodland
on rock
thallus crustose, very dark olive to black, composed of minute lobed squamules covered with flattened, granular isidia; blue prothallus; apothecia black, flat or slightly convex; Photobiont cyanobacteria; spores 2 to 4 celled, hyaline, narrowly elipsoid