Caloplaca thomsonii Zahlbr.
Details
Caloplaca thomsonii Zahlbr., Akad. Wiss. Wien, Math.-Naturwiss. Kl., Denkschr. 104: 368 (1941)
Nomenclature
Zahlbr.
Zahlbr.
1941
368
ICN
Caloplaca thomsonii Zahlbr.
species
Caloplaca thomsonii
Classification
Descriptions
Caloplaca thomsonii Zahlbr.
Thallus crustose, scurfy-granular, 0.1 mm thick, grey-brown to black, ± areolate, areolae 0.05 mm diam., separated by shallow to deep cracks, uneven-verrucose, K-, in irregular patches 1-5(-8) cm diam., saxicolous. Apothecia sessile, scattered to crowded, rounded or contorted through mutual pressure, 0.1-0.5(-0.8) mm diam., disc shallowly concave at first then plane, becoming distinctly convex and immarginate with age, dull reddish-orange to bright cinnabar-red, matt, margins thin, entire, concolorous with disc or paler, persistent or occluded with age. Ascospores biseriate, ellipsoid, apices rounded, straight, 2-locular, 15.3-17 × 5.1-7.0 µm, septum c. ⅓ length of spore.
Taxonomic concepts
Caloplaca thomsonii Zahlbr.
Caloplaca thomsonii Zahlbr.
Collections
Metadata
6299b147-f5d6-49cd-b173-4f358b535970
scientific name
Names_Plants
1 January 2000
3 June 2015