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Family:
Physciaceae
[Dimelaena nimbosa (Fr.) Norman, more, Dimelaena nimbosa f. nimbosa (Fr.) Norman, Dimelaena nimbosa f. nuda Bagl. & Carestia, Diploicia nimbosa (Fr.) A. Massal., Lecanora nimbosa (Fr.) Nyl., Pachysporaria nimbosa (Fr.) M. Choisy, Parmelia nimbosa Fr., Psora nimbosa (Fr.) Hepp, Rinodina nimbosa (Fr.) Th. Fr., Rinodina nimbosa f. nimbosa (Fr.) Th. Fr., Rinodina nimbosa f. nuda (Bagl. & Carestia) H. Magn., Rinodina nimbosa f. pruinosa (Bagl. & Carestia) H. Magn., Rinodina nimbosa f. sareptana Tomin, Rinodina nimbosa var. athallina Lynge, Rinodina nimbosa var. nimbosa (Fr.) Th. Fr., Rinodina nimbosa var. nuda Lynge, Rinodina nimbosa var. pruinosa (Hav.) Lynge, Rinodina nimbosa var. sphaerocarpa Th. Fr., Squamaria nimbosa (Fr.) Boist.]
 Stephen Sharnoff |
Life habit: lichenized (mutualistic with algal photobionts) thallus: squamulose (squamulous) | subsquamulose (subsquamulous) [th] upper surface: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | brown(ish) yellow (ochraceous, ochre) [th marginal and upper surface] specific structures: absent [th] lower surface: brown(ish) (if pale: fawn, tan; if mid: cinnamon) [th lower surface] specific structures: present [th lower surface] rhizines, rhizoid structures: present ascomata: absent | present ascoma: apothecial, apothecioid – hymenial ascoma: immersed, innate | subsessile, subimmersed, adnate, semi-immersed, emergent | sessile, superficial [ascm] paraphyses/-oids: present [ascm] epihymenium, epithecium: brown(ish) (if pale: fawn, tan; if mid: cinnamon) asci: lecanoralean [asc] tholus: thickened [asc] tholus amyloidity (iodine reaction): present [asc] tholus amyloidity pattern: amyloid with widening axial body towards the apex (= Lecanora-, Parmelia-, Rinodina-types etc) ascospores: (median) 8.0 [asp] length [µm]: (low) 18.0 (high) 22.0 [asp] width [µm]: (low) 8.0 (high) 10.0 [asp] septa: present [asp] septa: transversely septate [asp] transversal septa: (median) 1.0 [asp] pigmentation: pale brown | medium brown, brownish | dark brown secondary metabolites: present secondary metabolites: variolaric acid | unknown/unidentified (tri-)terpenoid(s), (tri-)terpene(s) primary photobiont: present secondary photobionts (eg in cephalodia): absent primary photobiont: chlorophytaceous – trebouxiaceous, chlorococcoid.
substrate: soil, clay, humus, turf, detritus, dead leaves | bryophytes – mosses, liverworts.
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