LIAS light – Item Descriptions
LIASlight ItemID: 13994
Australiaena streimannii Matzer, H. Mayrhofer & Elix
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Oceania – Australasia | Oceania – Pacific Islands (Melanesia, Micronesia, Polynesia) |
| substrate: | rock – siliceous, siliciferous, acidic | rock, stones, pebbles – unspecified |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – episubstratal – unspecified | placodioid-crustose, placodioid-foliose |
| thallus: | cracked, fissured, fractured, rimose | compartimentized – areolate, squamulate |
| [th] upper surface: | grey(ish) | yellow(ish) (if dull: buff) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | white(ish) | brown(ish) yellow (ochraceous, ochre) | yellow(ish) brown |
| [th upper surface]: | epruinose |
| [th marginal and upper surface] specific structures: | absent |
| [th] lower surface: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
| [th lower surface] specific structures: | absent |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (low) 0.2 (high) 0.6 (max) 1.0 |
| ascoma: | immersed, innate | subsessile, subimmersed, adnate, semi-immersed, emergent | sessile, superficial |
| [ascm, if apoth] disc, mazaedium: | plane, flat, flattened, expanded | subconvex, slightly convex | convex |
| [ascm, if apoth] disc, mazaedium: | black(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
| [ascm, if apoth] disc, mazaedium: | epruinose |
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | black(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
| [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | hyaline, colourless | yellow(ish) brown |
| [ascm] paraphyses/-oids: | present |
| [ascm] paraphyses/-oid cells width [µm]: | (low) 1.0 (high) 3.0 (max) 4.0 |
| [ascm] paraphyses/-oid apical cells width [µm]: | (median) 5.0 (max) 6.0 |
| [ascm] epihymenium, epithecium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | yellow(ish) brown |
| asci: | lecanoralean |
| [asc] tholus: | thickened |
| [asc] tholus amyloidity (iodine reaction): | present |
| [asc] tholus amyloidity pattern: | amyloid with widening axial body towards the apex (= Lecanora-, Parmelia-, Rinodina-types etc) |
| ascospores: | (min) 6.0(median) 8.0 |
| [asp] shape: | ellipsoidal |
| [asp] length [µm]: | (low) 7.0 (high) 19.0 |
| [asp] width [µm]: | (low) 4.0 (high) 8.0 |
| [asp] septa: | present |
| [asp] septa: | transversely septate |
| [asp] transversal septa: | (median) 1.0 |
| [asp] pigmentation: | medium brown, brownish | greyish brown |
| [asp] perispore, epispore: | not apparent | ornamented, rough, warted, striate, cracked |
| conidiomata: | absent | present |
| conidia: | filiform, vermiform |
| [co] length [µm]: | (low) 14.0 (high) 25.0 |
| secondary metabolites: | present |
| secondary metabolites: | 4,7-dichloronorlichexanthone | 5-chlorolichexanthone | gyrophoric acid | lecanoric acid | lobaric acid | perlatolic acid | conlobaric acid |