![LiasLight](/Pictures/LiasLight_small.gif)
LIAS light – Item Descriptions
LIASlight ItemID: 15269
Santessoniella grisea (Hue) Henssen
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Eurasia – Asia Extratropical | Americas – North America (incl Mexico) |
substrate: | soil, clay, humus, turf, detritus, dead leaves | bryophytes – mosses, liverworts | wood – dead, living |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | crustose (crustaceous) – episubstratal – unspecified | subfruticose (subfruticous), fruticulose, dactyliform |
[th] upper surface: | grey(ish) |
[th marginal and upper surface] specific structures: | absent |
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (median) 0.1 |
ascomata: | absent | present |
ascoma: | apothecial, apothecioid – hymenial |
ascoma [mm]: | (min) 2.0 |
[ascm, if apoth] disc, mazaedium: | plane, flat, flattened, expanded |
[ascm, if apoth] disc, mazaedium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
[ascm, if apoth] disc, mazaedium: | epruinose |
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | hyaline, colourless |
[ascm] paraphyses/-oids: | present |
asci: | lecanoralean |
[asc] tholus: | not thickened | thickened |
[asc] tholus amyloidity (iodine reaction): | present |
[asc] tholus amyloidity pattern: | with amyloid tube, ring (= Collema-, Micarea-, Porpidia-, Psora-types etc) |
ascospores: | (median) 0.0 |
[asp] shape: | ellipsoidal |
[asp] length [µm]: | (low) 18.0 (high) 22.0 |
[asp] width [µm]: | (low) 7.0 (high) 11.0 |
[asp] septa: | absent – spore lumen unilocular, monolocular |
[asp] pigmentation: | hyaline, colourless |
[asp] perispore, epispore: | ornamented, rough, warted, striate, cracked |
secondary metabolites: | absent |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | cyanobacterial |