Collema fasciculare (L.) Weber ex F.H.Wigg.
Details
Collema fasciculare (L.) Weber ex F.H.Wigg., Prim. Fl. Holsat. 98 (1780)
Nomenclature
(L.) Weber ex F.H.Wigg.
L.
F.H.Wigg.
1780
98
ICN
species
Collema fasciculare
Classification
Subordinates
Descriptions
Collema fasciculare (L.) Weber ex F.H.Wigg.
Thallus small to medium, 1-4 cm diam., to 1 cm deep, very swollen and much larger when moist, subcrustaceous to crustaceous or subfoliose, rounded or irregular, pulvinate to rather flattened, often ± globular and easily loosening when moist, usually not continuous, but variously fenestrate, in parts thin, membranous and smooth, in parts markedly rugose with dense, coarse, irregular wrinkles, or rugose-folded, distinctly to ± indistinctly lobate, dark olive-green to brownish or blackish, paler when moist, epruinose, without isidia. Lobes when distinct rather variable, ± broad, flattened, imbricate and adnate, sometimes distinctly lobulate with short lobules, margin thin somewhat swollen, ± entire. Apothecia numerous, dense, often crowded, rounded, flattened, sessile on thalline wrinkles, constricted at base, 0.8-2 mm diam., disc ± plane, dark red to red-brown or pale brown, matt, smooth, epruinose, thalline margin thick, prominent, rugose or granular, persistent, or thin and not prominent and ± disappearing, concolorous with thallus. Ascospores 6-8 per ascus, monostichous and imbricate or twisted, ± straight forming a bundle, vermiform, 10-17-celled, 52-95 × 4.5-5(-6.5) µm.
Taxonomic concepts
Collema fasciculare (L.) Weber ex F.H.Wigg.
Collema fasciculare (L.) Weber ex F.H.Wigg.
Collema fasciculare (L.) Weber ex F.H.Wigg.
Collema fasciculare (L.) Weber ex F.H.Wigg.
Collema fasciculare (L.) Weber ex F.H.Wigg.
Collema fasciculare (L.) Weber ex F.H.Wigg.
Collema fasciculare (L.) Weber ex F.H.Wigg.
Collections
Metadata
ed25e5b0-b808-4635-9a87-73eb16fe4811
scientific name
Names_Plants
1 January 2000
3 July 2020