Pseudocyphellaria flavicans sensu Galloway
Details
Pseudocyphellaria flavicans sensu Galloway
Nomenclature
Galloway
Galloway
1985
443
invalidly published, misapplication
ICN
species
Pseudocyphellaria flavicans
Classification
Descriptions
Pseudocyphellaria flavicans sensu Galloway
Thallus orbicular to spreading, rather irregular, 5-10(-20) cm diam., ± closely attached to loosely straggling. Lobes broad, rounded, to rather ragged, imbricate centrally, contiguous to subimbricate at apices, margins crisped, variously notched or incised, isidiate. Upper surface bright green to yellow green when wet, pale yellowish-grey when dry, undulate, uneven, slightly and shallowly faveolate, shining, smooth, ± isidiate. Isidia flattened, coralloid-branched, marginal at first, then laminal, often dense. Medulla yellow. Photobiont green. Lower surface pale yellowish or creamish at margins, glabrous or minutely pubescent, darker yellow to brownish centrally. Pseudocyphellae yellow. Apothecia sparse to absent, subpedicellate, disc brown-black, matt, smooth, to 5 mm diam., concave to plane, margins pale or whitish, translucent when wet, crenulate-dentate, thalline exciple massive, white, corrugate-verrucose, obscuring disc when young, often ± short white-tomentose. Ascospores colourless, fusiform, 1-3-septate, 24-30 × 5-7 µm. Chemistry: Pulvinic acid, pulvinic dilactone, calycin, 3β,22α,-diacetoxystictane (±), 2α,3β,22α, triacetoxystictane, 2α,3β-diacetoxystictane-22-one (±), 2α,3β-diacetoxys-tictan-22-ol (±), 3β-acetoxystictane-22-ol (±), stictane-3 β,22α,-diol (±),2α -acetoxystictane-3β,22α,-diol, 3β-acetoxystictane-2α,22α,-diol, stictane-2β,3β,22α-triol (±) [Chin et al., J. chem. Soc. Perkin 1: 1437-1446 (1973)].
Taxonomic concepts
Pseudocyphellaria flavicans sensu Galloway
Pseudocyphellaria flavicans sensu D.J. Galloway
Collections
Notes
editorial
In his 2007 Flora, D.J. Galloway referred to his 1985 description, as Pseudocyphellaria flavicans, for Pseudocyphellaria pickeringii; therefore the current name for Galloway's misapplication in 1985, is Podostictina pickeringii.
Metadata
e14a2b96-60a3-404d-b443-eabd0c0e04c7
scientific name
Names_Plants
1 January 2000
26 February 2024