
LIAS light – Item Descriptions
LIASlight ItemID: 334
Arthopyrenia subcerasi (Vain.) Zahlbr.
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Africa (incl Madagascar) | Eurasia – Europe |
substrate: | bark, cork, plant surface – trunks, branches, twigs |
life habit: | saprobic (on decaying organic substrate) |
thallus: | crustose (crustaceous) – endosubstratal, inconspicuous, immersed |
[th marginal and upper surface] specific structures: | absent |
ascomata: | absent | present |
ascoma: | perithecial, perithecioid – hymenial |
ascoma [mm]: | (low) 0.2 (high) 0.26 |
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
[ascm] paraphyses/-oids: | present |
[ascm] paraphyses/-oid cells width [µm]: | (low) 1.5 (high) 2.5 |
asci: | fissitunicate – bitunicate |
[asc] tholus: | thickened |
[asc] tholus amyloidity (iodine reaction): | absent |
ascospores: | (median) 8.0 |
[asp] length [µm]: | (low) 22.0 (high) 31.0 |
[asp] width [µm]: | (low) 7.0 (high) 9.0 |
[asp] septa: | present |
[asp] septa: | transversely septate |
[asp] transversal septa: | (median) 3.0 |
[asp] pigmentation: | hyaline, colourless | pale brown | medium brown, brownish |
[asp] perispore, epispore: | not apparent | ornamented, rough, warted, striate, cracked |
conidiomata: | absent | present |
conidia: | bacilliform, bacillar |
[co] length [µm]: | (low) 4.0 (high) 5.0 |
secondary metabolites: | absent |
host organism: | |
primary photobiont: | absent |