Chaenotheca trichialis (Ach.) Th.Fr.
Details
Chaenotheca trichialis (Ach.) Th.Fr., Lich. Arct. 251 (1860)
Chaenotheca trichialis (Ach.) Th.Fr.
Biostatus
Nomenclature
(Ach.) Th.Fr.
Ach.
Th.Fr.
1860
251
ICN
species
Chaenotheca trichialis
Classification
Synonyms
Descriptions
Chaenotheca trichialis (Ach.) Th.Fr.
Thallus episubstratic, granular to squamulose, forming an extended crust or growing in patches; thallus when squamulose, often rather glossy, greenish-grey. Photobiont: . Apothecia middle-sized to long, 1.0-1.9 mm high, 12-28 times as high as width of stalk. Stalk 0.05-0.10 mm diam., with a faint, white pruina in upper part, or epruinose, shining, black. Capitulum obconical to lenticular, with a well-developed excipulum. Hyphae of excipulum ± periclinally arranged and only slightly thicker than hyphae of stalk. Excipulum 0.19-0.34 mm diam. Hypothecium obconical with convex upper surface. Lower side of excipulum usually with a faint, whitish pruina, but sometimes epruinose. Asci short-cylindrical or of irregular shape, with uni- or biseriate spores, 11-14 × 2.2-2.7 µm. Asci formed in chains. Ascospores spherical, 3.1-3.8 µm diam., smooth or with irregular, narrow cracks. Chemistry: Thallus K-, C-, KC-, Pd-. No secondary substances found.
Taxonomic concepts
Calicium trichiale Ach.
Chaenotheca trichialis (Ach.) Th.Fr.
Chaenotheca trichialis (Ach.) Th.Fr.
Chaenotheca trichialis (Ach.) Th.Fr.
Chaenotheca trichialis (Ach.) Th.Fr.
Notes
editorial
Galloway (2007) cited this from Nova Acta Reg. Soc. Sci. Uppsala 3, 3: 251, but that was preprinted.
Metadata
68e58d54-57f5-4ee3-b2c3-b95a17d425a4
scientific name
Names_Plants
1 January 2000
20 April 2020