
LIAS light – Item Descriptions
LIASlight ItemID: 8554
Porina exocha (Nyl.) P. M. McCarthy
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Oceania – Australasia | Oceania – Pacific Islands (Melanesia, Micronesia, Polynesia) | Eurasia – Asia Tropical |
substrate: | bark, cork, plant surface – trunks, branches, twigs |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | crustose (crustaceous) – episubstratal – unspecified |
thallus: | continuous, diffuse, effuse | cracked, fissured, fractured, rimose |
[th] upper surface: | yellow(ish) (if dull: buff) | grey(ish) green | yellow(ish) green | yellow(ish) brown |
[th marginal and upper surface] specific structures: | absent |
[th] morphol substructures (eg areoles, squamules): | contiguous, coherent (throughout the thallus) |
[th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane | verruculose, minutely warted | verrucose, warted | rugulose, finely wrinkled |
ascomata: | absent | present |
ascoma: | perithecial, perithecioid – hymenial |
ascoma [mm]: | (low) 0.7 (high) 1.5 |
ascoma: | immersed, innate |
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | brown(ish) red (carneous) |
[ascm] paraphyses/-oids: | present |
asci: | unitunicate |
[asc] tholus: | not thickened |
[asc] tholus amyloidity (iodine reaction): | absent |
ascospores: | (median) 8.0 |
[asp] shape: | ellipsoidal | fusiform |
[asp] length [µm]: | (low) 68.0 (high) 168.0 |
[asp] width [µm]: | (low) 20.0 (high) 45.0 |
[asp] septa: | present |
[asp] septa: | muriformly septate – muriform, submuriform |
[asp] transversal septa: | (low) 19.0 (high) 34.0 |
[asp] pigmentation: | hyaline, colourless |
[asp] perispore, epispore: | thin, thinly halonate | thick, distincly halonate |
conidiomata: | absent | present |
conidia: | fusiform |
[co] length [µm]: | (low) 2.0 (high) 4.0 |
secondary metabolites: | absent |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trentepohliaceous, trentepohlioid |