Parmelina spumosa (Asahina) Hale
Details
Parmelina spumosa (Asahina) Hale, Phytologia 28: 483 (1974)
Nomenclature
(Asahina) Hale
Asahina
Hale
1974
483
ICN
species
Parmelina spumosa
Classification
Descriptions
Parmelina spumosa (Asahina) Hale
Thallus rather fragile, irregularly spreading or ± orbicular, 2-8 cm diam. Lobes narrow, 1-2 mm wide, subrotund, imbricate, axils sinuous, apices rounded and slightly crenulate, margins entire, cilia distinct, evenly dispersed, 0.5 mm long. Upper surface smooth, continuous, slightly maculate apically, greenish-grey to pale brownish, pustules laminal and marginal, eroding apically to expose white or pale yellow medulla. Medulla faintly yellow. Lower surface black with a smooth, brown, naked marginal zone. Rhizines simple or furcate, black, rather sparse. Apothecia occasional, sessile, disc brown, to 5 mm diam., margins crenulate, becoming pustulate, often deeply lacerate, thalline exciple strongly wrinkled, pustulate, greenish. Ascospores 12-24 × 7-8 µm. Chemistry: Cortex K+ yellow; medulla K-, C+ orange-pink, KC+ orange-pink, Pd-. Gyrophoric acid and atranorin.
Taxonomic concepts
Parmelina spumosa (Asahina) Hale
Parmelina spumosa (Asahina) Hale
Metadata
82b49b91-cbb7-4a8a-b28e-9cfec462b806
scientific name
Names_Plants
1 January 2000
18 September 2019