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LIAS light – Item Descriptions
LIASlight ItemID: 13798
Porina mastoidea (Ach.) Müll. Arg.
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Oceania – Australasia | Americas – South and Central America | Eurasia – Asia Tropical |
substrate: | bark, cork, plant surface – trunks, branches, twigs |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | crustose (crustaceous) – endosubstratal, inconspicuous, immersed |
thallus: | continuous, diffuse, effuse |
[th] upper surface: | white(ish) | white(ish) grey |
[th marginal and upper surface] specific structures: | absent |
[th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane |
ascomata: | absent | present |
ascoma: | perithecial, perithecioid – hymenial |
ascoma [mm]: | (low) 0.45 (high) 0.6 |
ascoma: | immersed, innate | subsessile, subimmersed, adnate, semi-immersed, emergent |
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | hyaline, colourless |
[ascm] paraphyses/-oids: | present |
asci: | unitunicate |
[asc] tholus: | not thickened |
[asc] tholus amyloidity (iodine reaction): | absent |
ascospores: | (median) 8.0 |
[asp] shape: | ellipsoidal |
[asp] length [µm]: | (low) 19.0 (high) 30.0 |
[asp] width [µm]: | (low) 4.0 (high) 7.0 |
[asp] septa: | present |
[asp] septa: | transversely septate |
[asp] transversal septa: | (median) 7.0 |
[asp] pigmentation: | hyaline, colourless |
[asp] perispore, epispore: | not apparent | thin, thinly halonate |
secondary metabolites: | absent |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trentepohliaceous, trentepohlioid |