Placopsis lateritioides I.M.Lamb
Details
Placopsis lateritioides I.M.Lamb, Lilloa 13: 222 (1947)
Placopsis lateritioides I.M.Lamb
Biostatus
Nomenclature
I.M.Lamb
I.M.Lamb
1947
222
ICN
Placopsis lateritioides I.M.Lamb
species
Placopsis lateritioides
Classification
Descriptions
Placopsis lateritioides I.M.Lamb
Thallus determinate, effigurate, orbicular to irregularly spreading, to 6 cm diam., saxicolous. Marginal lobes swollen, expanded at apices, rounded, crenate, discrete or becoming confluent, usually separated bynarrow cracks, extending into centre of thallus, lobes also transversely cracked, wrinkled or folded. Upper surface distinctly rust-red to orange-brown, epruinose, areolate centrally, areolae swollen, rounded to irregular, 0.5-2 mm diam., isidia absent, sorediate. Soredia sparse to numerous, grey-white, erumpent, subrotund, to 2 mm diam., forming abraded patches on areolae. Cephalodia sparse, rounded to irregular, or radially lobate, 2-5 mm diam., brownish-red, dull, epruinose. Apothecia not seen. Pycnidia immersed in areolae, ostiole minute, punctiform. Conidia filiform, straight or curved 13-16 × 0.5 µm. Chemistry: Cortex K-, C+ red; medulla K-, C+ red, KC+ red, Pd+ red.
Taxonomic concepts
Placopsis lateritioides I.M.Lamb
Placopsis lateritioides I.M.Lamb
Placopsis lateritioides I.M.Lamb
Placopsis lateritioides I.M.Lamb
Placopsis lateritioides I.M.Lamb
Placopsis lateritioides I.M.Lamb
Historic biostatus
Collections
Metadata
2a162774-98f8-4a38-844c-263b964e7791
scientific name
Names_Plants
1 January 2000
11 October 2013