Chaenotheca chrysocephala (Turner ex Ach.) Th.Fr.
Details
Chaenotheca chrysocephala (Turner ex Ach.) Th.Fr., Lich. Arct. 250 (1860)
Chaenotheca chrysocephala (Turner ex Ach.) Th.Fr.
Biostatus
Nomenclature
(Turner ex Ach.) Th.Fr.
Ach.
Th.Fr.
1860
250
ICN
species
Chaenotheca chrysocephala
Classification
Descriptions
Chaenotheca chrysocephala (Turner ex Ach.) Th.Fr.
Thallus normally episubstratic, well-developed, granular, intensely yellow, more rarely almost completely immersed and hardly visible. Photobiont: and . Apothecia short, to middle-sized, 0.6-1.3 mm high, 9-22 times as high as width of stalk. Stalk 0.04-0.08 mm diam., with a dense, yellow pruina in upper part, lower part black to pale brown. Capitulum obovoid or broadly obconical, with well-developed excipulum. Excipulum 0.16-0.27 mm diam. Hypothecium broadly obconical with flat or slightly concave upper surface. Lower side of capitulum with a dense yellow pruina. Asci cylindrical, with uniseriate spores, well-stalked, 14-19 × 2.2-3.3 µm, produced singly. Ascospores shortly ellipsoid to almost spherical, 6.2-9.0 × 3.8-4.8 µm, with coarse and irregular ornamentation. Chemistry: The thallus contains vulpinic acid which also occurs as pruina on apothecia. Thallus K-, C-, KC-, Pd.
Taxonomic concepts
Calicium chrysocephala Turner ex Ach.
Chaenotheca chrysocephala (Turner ex Ach.) Th.Fr.
Chaenotheca chrysocephala (Turner ex Ach.) Th.Fr.
Chaenotheca chrysocephala (Turner ex Ach.) Th.Fr.
Chaenotheca chrysocephala (Turner ex Ach.) Th.Fr.
Chaenotheca chrysocephala (Turner ex Ach.) Th.Fr.
Chaenotheca chrysocephala (Turner ex Ach.) Th.Fr.
Notes
editorial
Galloway (2007) cited this from Nova Acta Reg. Soc. Sci. Uppsala 3,3: 250 (1860), but the journal was actually published in 1861. The Fries paper was preprinted in 1860, so should be cited from the preprint.
Metadata
9a0fd39f-4450-4102-bc0d-54902fe230b9
scientific name
Names_Plants
1 January 2000
17 April 2020