Arthothelium stirtianum Müll.Arg.
Details
Arthothelium stirtianum Müll.Arg., Bull. Herb. Boissier 2: 84 (1894)
Arthothelium stirtianum Müll.Arg.
Biostatus
Nomenclature
Müll.Arg.
Müll.Arg.
1894
84
ICN
Arthothelium stirtianum Müll.Arg.
species
Arthothelium stirtianum
Classification
Descriptions
Arthothelium stirtianum Müll.Arg.
Thallus pale glaucous grey, minutely areolate-cracked, areolae plane to subconvex, matt or minutely granular-furfuraceous, spreading in indeterminate patches 1-4 cm diam., delimited by a fine black line. Ascocarps frequent, minute 0.1-0.6 mm diam., black, carbonaceous, plane to slightly raised above surface of thallus or ± innate, round to irregular, solitary or 2-3 confluent, often with a thin veil of cortex adhering. Ascospores 2 per ascus, colourless to brown, muriform, ellipsoid to oblong 30-40 × 12-20 µm.
Taxonomic concepts
Arthonia cinerascens var. crustosa Stirt.
Arthothelium stirtianum Müll.Arg.
Arthothelium stirtianum Müll.Arg.
Arthothelium stirtianum Müll.Arg.
Arthothelium stirtianum Müll.Arg.
Metadata
93039438-b697-437a-993b-fadaa7aad8df
scientific name
Names_Plants
1 January 2000
9 January 2008