Diploschistes scruposus (Schreb.) Norman
Show more
Details
Diploschistes scruposus (Schreb.) Norman, Conat. Praem. Gen. Lich. 20 (1852)
Diploschistes scruposus (Schreb.) Norman
Biostatus
Nomenclature
(Schreb.) Norman
Schreb.
Norman
1852
20
ICN
species
Diploschistes scruposus
Classification
Descriptions
Thallus spreading, in irregular patches 2-6 cm diam., closely attached, 1-8 mm thick, rough, sordid yellow-brown or olivaceous, verrucose, verrucae convex, bullate, congested, 0.5-1 mm diam., not surrounded by prothallus, saxicolous. Apothecia ± scattered, deeply sessile, rounded, constricted at base, 0.2-1.5 mm diam., disc immersed, concave, black, matt, epruinose, thalline margin thick, concolorous with thallus, entire, crenulate, puckered to warted-globose, inflexed, surrounding disc as a thin, whitish, annular ring. Epithecium pale grey, granular, 18 µm thick. Hymenium brownish above, 180-220 µm tall. Hypothecium colourless, 30-40 µm thick. Paraphyses filiform, dense, straight interwoven, simple, eseptate, not swollen at apices. Asci oblong-clavate, apices rounded , 8-spored. Ascospores uni- or rarely biseriate, dark brown, broadly ovoid or broad ellipsoid, straight, muriform 24-35 × 14-16 µm. Chemistry: Thallus K-, C-, KC+ red.
Diploschistes scruposus (Schreb.) Norman
Thallus pale to dark grey, sometimes with a yellowish tinge, roughened, warted-areolate, irregularly spreading or ± suborbicular 1-5 cm diam., saxicolous. Apothecia urceolate at first, emerging and opening out to reveal small, black, ± pruinose discs, proper margin visible within a thalline margin. Hypothecium black. Ascospores at first 5-septate becoming muriform, 22-40 × 10-18 µm. Chemistry: thallus K+ yellow, C+ red. Diploschistesic and lecanoric acids.
Taxonomic concepts
Diploschistes cervinus Zahlbr.
Diploschistes scruposus (Schreb.) Norman
Diploschistes scruposus (Schreb.) Norman
Diploschistes scruposus (Schreb.) Norman
Diploschistes scruposus (Schreb.) Norman
Diploschistes scruposus (Schreb.) Norman
Diploschistes scruposus (Schreb.) Norman
Leptotrema neozelandicum C.W.Dodge
Diploschistes scruposus (Schreb.) Norman
Lichen scruposus Schreb.
Diploschistes scruposus (Schreb.) Norman
Collections
Metadata
53f733eb-5134-4161-b1fa-46382b054666
scientific name
Names_Plants
1 January 2000
21 April 2020