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Rhizocarpon cinereovirens (Mull. Arg.) Vainio
Family: Rhizocarpaceae
[Catocarpus cinereovirens (Müll. Arg.) Oxner,  more]
Rhizocarpon cinereovirens image
Life habit: lichenized (mutualistic with algal photobionts) thallus: crustose (crustaceous) – episubstratal – unspecified thallus: cracked, fissured, fractured, rimose | compartimentized – areolate, squamulate [th] upper surface: grey(ish) | white(ish) grey [th upper surface]: epruinose [th marginal and upper surface] specific structures: absent [th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 0.4 (high) 0.7 (max) 0.8 [th] morphol substructures (eg areoles, lobes, branches) upper surface: verrucose, warted | bullate [th] medulla amyloidity: absent ascomata: absent | present ascoma: apothecial, apothecioid – hymenial ascoma [mm]: (min) 0.3 (low) 0.4 (high) 0.6 ascoma: subsessile, subimmersed, adnate, semi-immersed, emergent | sessile, superficial [ascm, if apoth] disc, mazaedium: plane, flat, flattened, expanded [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) | black(ish) brown [ascm] paraphyses/-oids: present [ascm] paraphyses/-oid cells width [µm]: (median) 2.5 [ascm] paraphyses/-oid apical cells width [µm]: (min) 3.0 [ascm] epihymenium, epithecium: green(ish) | blue(ish) black | green(ish) black 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) 13.5 (high) 16.0 (max) 18.0 [asp] width [µm]: (min) 5.5 (low) 7.0 (high) 9.0 [asp] septa: present [asp] septa: transversely septate [asp] transversal septa: (median) 1.0 [asp] pigmentation: hyaline, colourless [asp] perispore, epispore: thick, distincly halonate secondary metabolites: present secondary metabolites: norstictic acid | stictic acid primary photobiont: present secondary photobionts (eg in cephalodia): absent primary photobiont: chlorophytaceous – trebouxiaceous, chlorococcoid.

substrate: rock – siliceous, siliciferous, acidic | rock, stones, pebbles – unspecified.
Rhizocarpon cinereovirens image
Andrew Khitsun  
Rhizocarpon cinereovirens image
Andrew Khitsun  
Rhizocarpon cinereovirens image
Andrew Khitsun  
Rhizocarpon cinereovirens image
Rhizocarpon cinereovirens image
Rhizocarpon cinereovirens image
Rhizocarpon cinereovirens image
Andrew Khitsun  
Rhizocarpon cinereovirens image
Andrew Khitsun  
Rhizocarpon cinereovirens image
Rhizocarpon cinereovirens image
Rhizocarpon cinereovirens image
Rhizocarpon cinereovirens image
Andrew Khitsun  
Rhizocarpon cinereovirens image
Andrew Khitsun  
Rhizocarpon cinereovirens image
Andrew Khitsun  
Rhizocarpon cinereovirens image
Rhizocarpon cinereovirens image
Rhizocarpon cinereovirens image