LIAS light – Item Descriptions
LIASlight ItemID: 14289
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Africa (incl Madagascar) |
substrate: | rock – calcareous, calciferous, basic |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | crustose (crustaceous) – episubstratal – unspecified | placodioid-crustose, placodioid-foliose |
[th] upper surface: | yellow(ish) (if dull: buff) | white(ish) |
[th marginal and upper surface] specific structures: | absent |
ascomata: | absent | present |
ascoma: | apothecial, apothecioid – hymenial |
ascoma: | sessile, superficial |
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | black(ish) |
[ascm] paraphyses/-oids: | present |
[ascm] paraphyses/-oid cells width [µm]: | (median) 1.5 |
asci: | fissitunicate – bitunicate |
[asc] tholus: | thickened |
[asc] tholus amyloidity (iodine reaction): | present |
[asc] tholus amyloidity pattern: | with amyloid tube, ring (= Collema-, Micarea-, Porpidia-, Psora-types etc) |
ascospores: | (median) 8.0 |
[asp] shape: | ellipsoidal | oval |
[asp] length [µm]: | (low) 12.0 (high) 16.0 |
[asp] width [µm]: | (low) 7.5 (high) 8.5 |
[asp] septa: | present |
[asp] septa: | transversely septate |
[asp] transversal septa: | (median) 3.0 |
[asp] pigmentation: | hyaline, colourless | pale brown |
conidiomata: | absent | present |
conidia: | filiform, vermiform |
[co] length [µm]: | (low) 16.0 (high) 20.0 |
secondary metabolites: | absent |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |