
LIAS light – Item Descriptions
LIASlight ItemID: 883
Caloplaca assigena (Arnold) Dalla Torre & Sarnth.
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) – episubstratal – unspecified |
[th] upper surface: | grey(ish) | yellow(ish) white (ivory, off-white, cream-coloured) |
[th marginal and upper surface] specific structures: | absent |
ascomata: | absent | present |
ascoma: | apothecial, apothecioid – hymenial |
ascoma [mm]: | (median) 0.5 |
[ascm] paraphyses/-oids: | present |
asci: | lecanoralean |
[asc] tholus: | thickened |
[asc] tholus amyloidity (iodine reaction): | present |
[asc] tholus amyloidity pattern: | entirely amyloid (= Catillaria-, Teloschistes-types etc) |
ascospores: | (median) 8.0 |
[asp] length [µm]: | (low) 9.0 (high) 12.0 (max) 14.0 |
[asp] width [µm]: | (low) 4.5 (high) 6.0 (max) 7.0 |
[asp] septa: | absent | present – spore lumen bilocular, polarilocular, plurilocular |
[asp] septa: | transversely septate |
[asp] transversal septa: | (median) 1.0 |
[asp] pigmentation: | hyaline, colourless |
[asp] perispore, epispore: | not apparent |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |