LIAS light – Item Descriptions
LIASlight ItemID: 13560
Chapsa meridensis (Kalb & A. Frisch) Lücking, Lumbsch & Rivas Plata
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Americas – South and Central America |
| substrate: | soil, clay, humus, turf, detritus, dead leaves | bryophytes – mosses, liverworts |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – endosubstratal, inconspicuous, immersed | crustose (crustaceous) – episubstratal – unspecified |
| thallus: | continuous, diffuse, effuse |
| [th] upper surface: | grey(ish) | grey(ish) green | brown(ish) green (olivaceous, olive green) |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane | verrucose, warted |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (low) 0.5 (high) 0.9 |
| ascoma: | subsessile, subimmersed, adnate, semi-immersed, emergent | sessile, superficial |
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | white(ish) | brown(ish) white |
| [ascm] paraphyses/-oids: | present |
| [ascm] paraphyses/-oid cells width [µm]: | (low) 2.0 (high) 2.5 |
| [ascm] epihymenium, epithecium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | green(ish) brown (olive brown) |
| asci: | unitunicate |
| [asc] tholus: | not thickened | thickened |
| [asc] tholus amyloidity (iodine reaction): | absent |
| ascospores: | (median) 1.0 |
| [asp] length [µm]: | (low) 105.0 (high) 112.0 |
| [asp] width [µm]: | (low) 22.0 (high) 28.0 |
| [asp] septa: | present |
| [asp] septa: | muriformly septate – muriform, submuriform |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent | thin, thinly halonate | thick, distincly halonate |
| secondary metabolites: | absent | present |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trentepohliaceous, trentepohlioid |