Arizona State University Lichen Herbarium
Occurrence ID (GUID): c91d19da-3202-4493-ba10-7885ebd2a057
Secondary Catalog #: SEDONA_0376
Taxon: Rhizocarpon geminatum Körb.
Family: Rhizocarpaceae
Determiner: Garry Neil (22-Apr-19)
Collector: Garry Neil   303C   
Date: 2019-02-09
Verbatim Date: 09-Apr-19
Locality: United States, Arizona, Yavapai, Courthouse Butte Trail, Red Rock Ranger District, Coconino National Forest; 34.804071 -111.763215
34.804071  -111.763215
Verbatim Coordinates: UTYM 12 S 0430189 3851581
Elevation: 1329 meters Verbatim Elevation: 4360 ft
Habitat: on top of a sandstone rock outcrop bordering a seasonal drainage, semi-shaded, Pinyon-Juniper Woodland
Substrate: rock
Associated Species: Verrucaria muralis, Staurothele elenkinii, Verrucaria bernaicensis
Description: Thallus crustose, composed of continuous areoles; areoles round, convex; surface grayish-brown; Apothecia black, among the areoles; disc black, flat to convex; epihymenium brown; hymenium hyaline; asci 2-spored; ascospores pale green then turning brown, muriform, ellipsoid
Specimen Images
Author: Garry Neil
Record ID: c91d19da-3202-4493-ba10-7885ebd2a057
For additional information on this specimen, please contact: Frank Bungartz (
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