
LIAS light – Item Descriptions
LIASlight ItemID: 250
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Eurasia – Europe |
substrate: | lichens, lichenized fungi |
life habit: | lichenicolous (in/on lichens) |
thallus: | crustose (crustaceous) – endosubstratal, inconspicuous, immersed |
[th marginal and upper surface] specific structures: | absent |
ascomata: | absent | present |
ascoma: | apothecial, apothecioid – hymenial |
ascoma [mm]: | (low) 0.2 (high) 0.8 (max) 1.0 |
ascoma: | subsessile, subimmersed, adnate, semi-immersed, emergent |
[ascm, if apoth] disc, mazaedium: | plane, flat, flattened, expanded | subconvex, slightly convex |
[ascm, if apoth] disc, mazaedium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
[ascm, if apoth] disc, mazaedium: | epruinose |
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | hyaline, colourless |
[ascm] paraphyses/-oids: | present |
[ascm] paraphyses/-oid apical cells width [µm]: | (median) 2.0 |
[ascm] epihymenium, epithecium: | red(dish) brown (pale: orange brown) |
asci: | fissitunicate – bitunicate |
[asc] tholus: | thickened |
[asc] tholus amyloidity (iodine reaction): | absent | present |
[asc] tholus amyloidity pattern: | with amyloid tube, ring (= Collema-, Micarea-, Porpidia-, Psora-types etc) |
ascospores: | (median) 8.0 |
[asp] shape: | ovoid, ovate |
[asp] length [µm]: | (low) 11.0 (high) 15.0 (max) 17.0 |
[asp] width [µm]: | (min) 4.0 (low) 4.5 (high) 5.5 (max) 6.0 |
[asp] septa: | present |
[asp] septa: | transversely septate |
[asp] transversal septa: | (low) 2.0 (high) 3.0 |
[asp] pigmentation: | hyaline, colourless | medium brown, brownish |
conidiomata: | absent | present |
conidia: | bacilliform, bacillar |
[co] length [µm]: | (low) 3.8 (high) 5.0 |
secondary metabolites: | absent |
host organism: | |
primary photobiont: | absent |