LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 8225

Letrouitia muralis Hafellner

Characters[*]:Character States[*]:
global occurrence: Africa (incl Madagascar) | Oceania – Australasia | Americas – North America (incl Mexico) | Eurasia – Asia Tropical
substrate: bark, cork, plant surface – trunks, branches, twigs
life habit: lichenized (mutualistic with algal photobionts)
thallus: crustose (crustaceous) – episubstratal – unspecified
thallus: continuous, diffuse, effuse
[th] upper surface: green(ish) | green(ish) grey | yellow(ish) grey | red(dish) yellow (orange, orange yellow)
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) upper surface: smooth, plane
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (low) 0.5 (high) 1.5
ascoma: sessile, superficial
[ascm, if apoth] disc, mazaedium: plane, flat, flattened, expanded
[ascm, if apoth] disc, mazaedium: black(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | brown(ish) black
[ascm, if apoth] disc, mazaedium: epruinose | pruinose
[ascm, if apoth] disc, mazaedium pruina: scarce, sparse, fine
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: red(dish) yellow (orange, orange yellow)
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: yellow(ish) (if dull: buff) | red(dish) brown (if pale: orange brown)
[ascm] paraphyses/-oids: present
[ascm] epihymenium, epithecium: yellow(ish) brown
asci: lecanoralean
[asc] tholus: thickened
ascospores: (low) 2.0 (high) 4.0
[asp] shape: ellipsoidal
[asp] length [µm]: (low) 35.0 (high) 70.0
[asp] width [µm]: (low) 15.0 (high) 22.0
[asp] septa: present
[asp] septa: muriformly septate – muriform, submuriform
[asp] transversal septa: (low) 5.0 (high) 9.0
[asp] pigmentation: hyaline, colourless
secondary metabolites: present
secondary metabolites: 7-chloroemodin | emodin | fragilin | parietin | 7-chlorofallacinal | 7-chloroparietinic acid | 7-chloroteloschistin | fragilin bisanthrone | physcoin bisanthrone
primary photobiont: present
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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