Physcia caesia (Hoffm.) Fürnr.
Details
Physcia caesia (Hoffm.) Fürnr. (1839)
Physcia caesia (Hoffm.) Fürnr.
Biostatus
Nomenclature
Classification
Synonyms
Descriptions
Physcia caesia (Hoffm.) Fürnr.
Thallus orbicular to spreading, closely attached, to 6 cm diam., saxicolous. Lobes irregularly or pinnately branched, ± convex often imbricate, rounded at apices, 0.5-2 mm wide. Upper surface grey or whitish-grey, often greyish-pruinose, conspicuously white-maculate, sorediate. Soralia laminal, occasionally marginal, scattered, often confluent, soredia granular, white. Lower surface pale brown to brown, rhizinate. Rhizines sparse, pale. Apothecia (not seen in New Zealand material) rare, sessile, to 1.5 mm diam. Ascospores 17-24 × 7-11 µm. Pycnidia immersed. Conidia 4-5 × 1 µm. Chemistry: Cortex and medulla K+ yellow. Atranorin, leucotylin, zeorin and two unidentified compounds.
Taxonomic concepts
Physcia caesia (Hoffm.) Fürnr.
Physcia caesia (Hoffm.) Fürnr.
Physcia caesia (Hoffm.) Fürnr.
Collections
Metadata
e258f2bd-75d8-4eca-b5a0-a959a38651a0
scientific name
Names_Plants
1 January 2000
17 May 2010