LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 5616

Rinodina exigua (Ach.) Gray

Characters[*]:Character States[*]:
global occurrence: Africa (incl Madagascar) | Eurasia – Europe | Americas – North America (incl Mexico) | Arctic
substrate: wood – dead, living | bark, cork, plant surface – trunks, branches, twigs
life habit: lichenized (mutualistic with algal photobionts)
thallus: crustose (crustaceous) – episubstratal – unspecified
thallus: continuous, diffuse, effuse | cracked, fissured, fractured, rimose | compartimentized – areolate, squamulate
[th] upper surface: grey(ish) | white(ish) | white(ish) brown (beige)
[th upper surface]: epruinose
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 0.5 (high) 1.0
[th] morphol substructures (eg areoles, lobes, branches) upper surface: smooth, plane | granulose, granular | verruculose, minutely warted
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (min) 0.3 (low) 0.55 (high) 0.9 (max) 1.2
ascoma: immersed, innate | subsessile, subimmersed, adnate, semi-immersed, emergent | sessile, superficial
[ascm, if apoth] disc, mazaedium: plane, flat, flattened, expanded | subconvex, slightly convex | 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: grey(ish) | white(ish) | white(ish) brown (beige)
[ascm, if apoth] margin excipular photobionts: absent | present
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: hyaline, colourless
[ascm] paraphyses/-oids: present
[ascm] paraphyses/-oid cells width [µm]: (low) 2.0 (high) 2.5
[ascm] paraphyses/-oid apical cells width [µm]: (low) 3.0 (high) 5.0
[ascm] epihymenium, epithecium: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | grey(ish) brown | yellow(ish) brown | red(dish) brown (pale: orange brown)
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] shape: ellipsoidal
[asp] length [µm]: (low) 15.0 (high) 21.0 (max) 23.0
[asp] width [µm]: (low) 7.0 (high) 9.0 (max) 10.5
[asp] septa: present
[asp] septa: transversely septate
[asp] transversal septa: (median) 1.0
[asp] pigmentation: pale brown | medium brown, brownish | dark brown
[asp] perispore, epispore: ornamented, rough, warted, striate, cracked
secondary metabolites: present
secondary metabolites: atranorin
primary photobiont: present
secondary photobionts (eg in cephalodia): absent
primary photobiont: chlorophytaceous – trebouxiaceous, chlorococcoid

[*] Not all (synonymous, equivalent or similar) terms being provided in parallel for a character or character state (e.g. 'endosubstratal, inconspicuous, immersed') need to be valid for the taxon under concern.


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