
LIAS light – Item Descriptions
LIASlight ItemID: 14970
Cratiria aggrediens (Stirt.) Marbach
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Africa (incl Madagascar) | Oceania – Australasia | Americas – South and Central America | Oceania – Pacific Islands (Melanesia, Micronesia, Polynesia) | 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 | cracked, fissured, fractured, rimose | compartimentized – areolate, squamulate |
[th] upper surface: | yellow(ish) grey | yellow(ish) white (ivory, off-white, cream-coloured) |
[th upper surface]: | epruinose |
[th marginal and upper surface] specific structures: | absent |
ascomata: | absent | present |
ascoma: | apothecial, apothecioid – hymenial |
ascoma [mm]: | (low) 0.8 (high) 1.2 |
ascoma: | sessile, superficial |
[ascm, if apoth] disc, mazaedium: | concave | plane, flat, flattened, expanded |
[ascm, if apoth] disc, mazaedium: | black(ish) |
[ascm, if apoth] disc, mazaedium: | pruinose |
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | black(ish) |
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | black(ish) |
[ascm] paraphyses/-oids: | present |
[ascm] paraphyses/-oid cells width [µm]: | (low) 1.5 (high) 1.9 |
[ascm] paraphyses/-oid apical cells width [µm]: | (low) 2.5 (high) 3.0 |
[ascm] epihymenium, epithecium: | yellow(ish) grey |
asci: | lecanoralean |
[asc] tholus: | thickened |
[asc] tholus amyloidity (iodine reaction): | present |
[asc] tholus amyloidity pattern: | amyloid with acuate axial body towards the apex (= Bacidia-, Buellia-, Ramalina-types etc) |
ascospores: | (median) 8.0 |
[asp] length [µm]: | (low) 17.0 (high) 28.0 |
[asp] width [µm]: | (low) 8.0 (high) 13.0 |
[asp] septa: | present |
[asp] septa: | transversely septate |
[asp] transversal septa: | (median) 1.0 |
[asp] pigmentation: | greenish brown |
[asp] perispore, epispore: | ornamented, rough, warted, striate, cracked |
conidiomata: | absent | present |
conidia: | bacilliform, bacillar |
[co] length [µm]: | (low) 4.0 (high) 5.0 |
secondary metabolites: | present |
secondary metabolites: | 3-O-methylthiophanic acid | 4,5-dichloronorlichexanthone | 6-O-methylarthothelin | arthothelin | connorstictic acid | norstictic acid | thiophanic acid | thuringione |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |