Family: Rhizocarpaceae
[ Catocarpus chionophiloides (Vain.) Mereschk. , more, Lecidea atroalbescens Nyl., Lecidea chionophiloides Vain., Lecidea eupetraeoides Nyl., Rhizocarpon atroalbens (Nyl.) Zahlbr., Rhizocarpon atroalbescens (Nyl.) Zahlbr., Rhizocarpon chionophiloides (Vain.) Vain., Rhizocarpon chionophiloides f. atroalbescens (Nyl.) Räsänen, Rhizocarpon chionophiloides f. chionophiloides (Vain.) Vain., Rhizocarpon chionophiloides f. subnegans (Vain.) Vain., Rhizocarpon chionophiloides var. chionophiloides (Vain.) Vain., Rhizocarpon chionophiloides var. subnegans (Vain.) Räsänen] |
Life habit: lichenized (mutualistic with algal photobionts) thallus: crustose (crustaceous) episubstratal unspecified thallus: compartimentized areolate, squamulate [th] upper surface: black(ish) | yellow(ish) (if dull: buff) [th upper surface]: epruinose [th] morphol substructures (eg areoles, lobes, branches) width [mm]: (min) 1.5 ascomata: absent | present ascoma: apothecial, apothecioid hymenial ascoma [mm]: (min) 1.5 ascoma: sessile, superficial [ascm, if apoth] disc, mazaedium: plane, flat, flattened, expanded | subconvex, slightly convex [ascm, if apoth] disc, mazaedium: black(ish) [ascm, if apoth] disc, mazaedium: epruinose [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: black(ish) [ascm, if apoth] margin excipular photobionts: absent [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: brown(ish) (if pale: fawn, tan; if mid: cinnamon) [ascm] paraphyses/-oids: present asci: lecanoralean [asc] tholus: thickened [asc] tholus amyloidity (iodine reaction): present [asc] tholus amyloidity pattern: with amyloid cap (= Icmadophila-, Lecidea-, Pertusaria-types etc) ascospores: (median) 8.0 [asp] shape: ellipsoidal [asp] length [µm]: (low) 18.0 (high) 32.0 [asp] width [µm]: (low) 10.0 (high) 15.0 [asp] septa: absent spore lumen unilocular, monolocular | present [asp] septa: transversely septate [asp] transversal septa: (median) 1.0 [asp] pigmentation: dark brown [asp] perispore, epispore: thick, distincly halonate secondary metabolites: present secondary metabolites: bourgeanic acid | norstictic acid | rhizocarpic acid primary photobiont: present secondary photobionts (eg in cephalodia): absent primary photobiont: chlorophytaceous trebouxiaceous, chlorococcoid.
substrate: rock siliceous, siliciferous, acidic | rock, stones, pebbles unspecified. |