Collector:
W.A. Weber; J.W. Sheard & R.A. Anderson 5-Sep-81
Date: 1981-09-05
Verbatim Date: 1981-9-5
Locality:
United States, Colorado, Boulder, Outer foothills of the Front Range, "The Flatirons", on southwest edge of City of Boulder
Elevation:
1600 meters
Verbatim Elevation:
1600 m
Habitat:
In shallow gulch; Dominant on bark of Populus angustifolia
Occurrence Remarks:
isotype; Thallus griseus verruculosus continuus, K-, C-; apothecia sessulibus, usque ad 0.5 um diam., planis cel leviter convexis, excipulo thallino prominente, disco plano ve leviter convexo, nigro (in statu sicco) vel nigro-rubescenti (in statu humectato), K- sed colore intensior, N+ bullatis; sporis 8-nae, 9-11 x 4-5 mu, bilocularibus sed non polarilocularbus ad medio constrictis, hyalinis, cellulis spaeroideis apicibus rotundatis