
LIAS light – Item Descriptions
LIASlight ItemID: 13612
Gyalidea fruticola M. Svenss. & G. Thor
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Eurasia – Europe |
substrate: | wood – dead, living | bark, cork, plant surface – trunks, branches, twigs |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | crustose (crustaceous) – endosubstratal, inconspicuous, immersed | crustose (crustaceous) – episubstratal – unspecified |
thallus: | continuous, diffuse, effuse |
[th] upper surface: | green(ish) grey |
[th upper surface]: | epruinose |
[th marginal and upper surface] specific structures: | absent |
[th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane |
ascomata: | absent | present |
ascoma: | apothecial, apothecioid – hymenial |
ascoma [mm]: | (low) 0.1 (high) 0.3 |
ascoma: | subsessile, subimmersed, adnate, semi-immersed, emergent | sessile, superficial |
[ascm, if apoth] disc, mazaedium: | concave | plane, flat, flattened, expanded | subconcave, slightly concave |
[ascm, if apoth] disc, mazaedium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | yellow(ish) brown |
[ascm, if apoth] disc, mazaedium: | epruinose |
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | white(ish) grey | yellow(ish) brown |
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | hyaline, colourless |
[ascm] paraphyses/-oids: | present |
[ascm] paraphyses/-oid cells width [µm]: | (low) 1.0 (high) 1.5 |
asci: | unitunicate |
[asc] tholus: | thickened |
[asc] tholus amyloidity (iodine reaction): | absent |
ascospores: | (median) 8.0 |
[asp] shape: | ellipsoidal |
[asp] length [µm]: | (min) 15.0 (low) 17.0 (high) 23.0 (max) 29.0 |
[asp] width [µm]: | (min) 5.0 (low) 5.0 (high) 7.0 (max) 9.0 |
[asp] septa: | present |
[asp] septa: | muriformly septate – muriform, submuriform |
[asp] transversal septa: | (min) 5.0(median) 7.0 (max) 9.0 |
[asp] pigmentation: | hyaline, colourless |
[asp] perispore, epispore: | not apparent |
secondary metabolites: | absent |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |