Placopsis illita (C.Knight) I.M.Lamb
Details
Placopsis illita (C.Knight) I.M.Lamb, Lilloa 13: 266 (1947)
Placopsis illita (C.Knight) I.M.Lamb
Biostatus
Nomenclature
(C.Knight) I.M.Lamb
C.Knight
I.M.Lamb
1947
266
ICN
species
Placopsis illita
Classification
Descriptions
Placopsis illita (C.Knight) I.M.Lamb
Thallus ± determinate, lobate at margins, orbicular to spreading, 1-3(-5) cm diam., with a well-defined, brown-black, marginal prothallus, saxicolous. Lobes minute, folded, confluent. Upper surface continuous, minutely and irregularly cracked, not areolate, cracks very fine (×10 lens), smooth, glaucous, whitish or creamish, matt, epruinose, without isidia or soredia. Cephalodia scattered, flattened, rounded, sessile, 2-3 mm diam., radially wrinkled, folded-effigurate, somewhat cracked, yellow-pink, matt. Apothecia sessile, rounded, to 3 mm diam., thalline margin prominent, entire or subcrenulate, matt, disc plane, dark brown to brown-black, matt, epruinose. Hymenium 80-140 µm tall, yellowish above. Ascospores biseriate, ellipsoid, 12-18 × 6-9 µm. Chemistry: Cortex K-, C+ rose; medulla K- or + pale yellow, C+ rose, Pd-.
Taxonomic concepts
Lecanora illita (C.Knight) Forssell
Placopsis illita (C.Knight) I.M.Lamb
Lecanora illita (C.Knight) Forssell
Placopsis illita (C.Knight) I.M.Lamb
Placodium illitum C.Knight
Placopsis illita (C.Knight) I.M.Lamb
Placodium illitum C.Knight
Placopsis illita (C.Knight) I.M.Lamb
Placopsis illita (C.Knight) I.M.Lamb
Placopsis illita (C.Knight) I.M.Lamb
Placopsis illita (C.Knight) I.M.Lamb
Placopsis illita (C.Knight) I.M.Lamb
Placopsis illita (C.Knight) I.M.Lamb
Placopsis illita (C.Knight) I.M.Lamb
Historic biostatus
Collections
Metadata
769b2542-592c-42a0-ad71-6de197385bbb
scientific name
Names_Plants
1 January 2000
11 October 2013