![LiasLight](/Pictures/LiasLight_small.gif)
LIAS light – Item Descriptions
LIASlight ItemID: 3412
Leptogium corniculatum (Hoffm.) Minks
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Africa (incl Madagascar) | Eurasia – Asia Extratropical | Oceania – Australasia | Eurasia – Europe | Americas – North America (incl Mexico) | Eurasia – Asia Tropical |
substrate: | soil, clay, humus, turf, detritus, dead leaves | bryophytes – mosses, liverworts | bark, cork, plant surface – trunks, branches, twigs | rock – siliceous, siliciferous, acidic | rock, stones, pebbles – unspecified |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | foliose (foliaceous), leaf-like |
thallus: | continuous, diffuse, effuse |
[th] upper surface: | black(ish) | green(ish) grey |
[th upper surface]: | epruinose |
[th marginal and upper surface] specific structures: | absent | present |
[th margin] cilia, cilioid structures: | absent |
[th upper surface] isidia, isidioid structures: | absent |
[th upper surface] soredia, soralia, soralioid structures: | absent |
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (min) 1.0 (low) 2.0 (high) 6.0 |
[th] morphol substructures (eg areoles, squamules): | contiguous, coherent (throughout the thallus) | distantly discontiguous |
[th] morphol substructures (eg lobes, branches): | subdichotomous | irregular |
[th] lower surface: | grey(ish) | green(ish) grey | red(dish) brown (if pale: orange brown) |
[th lower surface] specific structures: | absent | present |
[th lower surface] rhizines, rhizoid structures: | absent | present |
[th lower surface] rhizines, rhizinoid structures: | unbranched, simple |
ascomata: | absent | present |
ascoma: | apothecial, apothecioid – hymenial |
ascoma [mm]: | (min) 0.5 (low) 1.0 (high) 1.6 |
ascoma: | sessile, superficial |
[ascm, if apoth] disc, mazaedium: | concave | plane, flat, flattened, expanded | subconvex, slightly convex | convex |
[ascm, if apoth] disc, mazaedium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | black(ish) brown | red(dish) brown (if pale: orange brown) |
[ascm, if apoth] disc, mazaedium: | epruinose |
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | green(ish) grey |
[ascm, if apoth] margin excipular photobionts: | present | abundant |
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | yellow(ish) (if dull: buff) | hyaline, colourless |
[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: | with amyloid tube, ring (= Collema-, Micarea-, Porpidia-, Psora-types etc) |
ascospores: | (min) 4.0(median) 8.0 |
[asp] shape: | ellipsoidal | elongate-fusiform, ellipsoidal-fusiform |
[asp] length [µm]: | (low) 25.0 (high) 40.0 (max) 56.0 |
[asp] width [µm]: | (low) 7.0 (high) 12.0 (max) 20.0 |
[asp] septa: | present |
[asp] septa: | muriformly septate – muriform, submuriform |
[asp] pigmentation: | hyaline, colourless |
[asp] perispore, epispore: | not apparent |
conidiomata: | absent | present |
conidia: | bacilliform, bacillar |
secondary metabolites: | absent |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | cyanobacterial |