LIAS light – Item Descriptions
LIASlight ItemID: 3840
Mycomicrothelia atlantica D. Hawksw. & Coppins
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Eurasia – Europe |
| substrate: | bark, cork, plant surface – trunks, branches, twigs |
| life habit: | saprobic (on decaying organic substrate) | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – endosubstratal, inconspicuous, immersed | crustose (crustaceous) – episubstratal – unspecified |
| [th] upper surface: | grey(ish) |
| [th marginal and upper surface] specific structures: | absent |
| ascomata: | absent | present |
| ascoma: | perithecial, perithecioid – hymenial |
| ascoma [mm]: | (min) 0.15 (low) 0.2 (high) 0.3 (max) 0.35 |
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | black(ish) | red(dish) black |
| [ascm] paraphyses/-oids: | present |
| asci: | fissitunicate – bitunicate |
| [asc] tholus: | thickened |
| [asc] tholus amyloidity (iodine reaction): | absent |
| ascospores: | (median) 8.0 |
| [asp] shape: | ellipsoidal |
| [asp] length [µm]: | (min) 12.5 (low) 13.5 (high) 16.0 (max) 17.5 |
| [asp] width [µm]: | (min) 5.5 (low) 6.5 (high) 8.0 (max) 9.0 |
| [asp] septa: | present |
| [asp] septa: | transversely septate |
| [asp] transversal septa: | (median) 1.0 |
| [asp] pigmentation: | greyish brown |
| [asp] perispore, epispore: | ornamented, rough, warted, striate, cracked |
| conidiomata: | absent | present |
| conidia: | bacilliform, bacillar |
| [co] length [µm]: | (low) 3.0 (high) 4.0 |
| secondary metabolites: | absent |
| host organism: | |
| primary photobiont: | absent | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trentepohliaceous, trentepohlioid |