Placynthium (Ach.) Gray
Details
Placynthium (Ach.) Gray (1821)
Placynthium (Ach.) Gray
Biostatus
Indigenous, non-endemic
Present
New Zealand
Political Region
25 species worldwide; 2 in NZ
Nomenclature
Classification
Synonyms
Descriptions
Placynthium (Ach.) Gray
Thallus rosette-shaped, grey, olive or blackish, lobate, some species with a marginal prothallus, saxicolous or terricolous or muscicolous, rarely corticolous. Lobes squamulose or stellate-radiating, flattened or filiform, with or without isidia. Photobiont blue-green, Rivulariaceae or Scytonemaceae. Lower surface and rhizines bluish-green or pale. Apothecia hemiangiocarpic, lecideine with proper or thalline margin. Asci cylindrical with apically thickened wall, 8-spored. Ascospores colourless, 2-, 3- or 4-celled, ellipsoid or fusiform.
Taxonomic concepts
Collections
Metadata
ccc034f0-e4ce-4d67-88c5-a003a5152882
scientific name
Names_Plants
1 January 2000
26 March 2013