LIAS light – Item Descriptions
LIASlight ItemID: 15105
Sphaerophorus tuckermanii Räsänen
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Americas – North America (incl Mexico) |
| substrate: | bark, cork, plant surface – trunks, branches, twigs |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | fruticose (fruticous), shrub-like, beard-like |
| [th] upper surface: | white(ish) | grey(ish) brown | red(dish) brown (if pale: orange brown) |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (min) 0.5 (low) 0.7 (high) 1.4 |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane | rugose, plicate, folded, pustulate, faveolate, wrinkled |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (low) 1.6 (high) 2.1 |
| ascoma: | pedicellate, stipitate, pedunculate, stalked |
| [ascm, if apoth] disc, mazaedium: | strongly convex, hemispherical, (sub-)globose |
| [ascm] paraphyses/-oids: | present |
| asci: | prototunicate |
| [asc] tholus: | not thickened |
| [asc] tholus amyloidity (iodine reaction): | absent |
| ascospores: | (median) 8.0 |
| [asp] shape: | broadly ellipsoidal |
| [asp] length [µm]: | (min) 9.0 (low) 11.0 (high) 12.0 (max) 13.0 |
| [asp] width [µm]: | (low) 8.0 (high) 11.0 (max) 12.0 |
| [asp] septa: | absent – spore lumen unilocular, monolocular |
| [asp] pigmentation: | dark brown |
| [asp] perispore, epispore: | ornamented, rough, warted, striate, cracked |
| conidiomata: | absent | present |
| conidia: | ellipsoidal |
| [co] length [µm]: | (low) 2.0 (high) 3.5 |
| secondary metabolites: | present |
| secondary metabolites: | hypothamnolic acid | sphaerophorin | squamatic acid | thamnolic acid |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |