
LIAS light – Item Descriptions
LIASlight ItemID: 13581
Lithothelium quadrisporum Aptroot
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Eurasia – Asia Tropical |
substrate: | bark, cork, plant surface – trunks, branches, twigs |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | crustose (crustaceous) – episubstratal – unspecified |
thallus: | cracked, fissured, fractured, rimose |
[th] upper surface: | green(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
[th marginal and upper surface] specific structures: | absent |
[th] morphol substructures (eg areoles, lobes, branches) upper surface: | uneven, undulate |
ascomata: | absent | present |
ascoma: | perithecial, perithecioid – hymenial |
ascoma [mm]: | (low) 0.6 (high) 0.9 |
ascoma: | subsessile, subimmersed, adnate, semi-immersed, emergent |
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | black(ish) |
[ascm] paraphyses/-oids: | present |
[ascm] paraphyses/-oid cells width [µm]: | (low) 1.0 (high) 1.5 |
asci: | fissitunicate – bitunicate |
[asc] tholus: | thickened |
[asc] tholus amyloidity (iodine reaction): | absent |
ascospores: | (median) 4.0 |
[asp] length [µm]: | (low) 37.0 (high) 50.0 |
[asp] width [µm]: | (low) 12.0 (high) 19.0 |
[asp] septa: | present |
[asp] septa: | transversely septate |
[asp] transversal septa: | (median) 3.0 |
[asp] pigmentation: | hyaline, colourless |
[asp] perispore, epispore: | thin, thinly halonate |
secondary metabolites: | absent |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trentepohliaceous, trentepohlioid |