LIAS light – Item Descriptions
LIASlight ItemID: 480
Bacidia herbarum (Stizenb.) Arnold
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Eurasia – Europe | Americas – North America (incl Mexico) | Arctic |
| substrate: | soil, clay, humus, turf, detritus, dead leaves | bryophytes – mosses, liverworts | bark, cork, plant surface – trunks, branches, twigs |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – endosubstratal, inconspicuous, immersed | crustose (crustaceous) – episubstratal – unspecified |
| thallus: | granular, granulose, granulate |
| [th] upper surface: | grey(ish) |
| [th marginal and upper surface] specific structures: | absent |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (median) 0.7 |
| [ascm, if apoth] disc, mazaedium: | plane, flat, flattened, expanded |
| [ascm, if apoth] disc, mazaedium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | brown(ish) red (carneous) |
| [ascm] paraphyses/-oids: | present |
| [ascm] epihymenium, epithecium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | hyaline, colourless |
| asci: | lecanoralean |
| [asc] tholus: | thickened |
| [asc] tholus amyloidity (iodine reaction): | present |
| [asc] tholus amyloidity pattern: | amyloid with acuate axial body towards the apex (= Bacidia-, Buellia-, Ramalina-types etc) |
| ascospores: | (median) 8.0 |
| [asp] length [µm]: | (low) 30.0 (high) 50.0 (max) 60.0 |
| [asp] width [µm]: | (low) 2.0 (high) 3.0 |
| [asp] septa: | present |
| [asp] septa: | transversely septate |
| [asp] transversal septa: | (min) 4.0 (low) 6.0 (high) 8.0 |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |