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LIAS light – Item Descriptions
LIASlight ItemID: 14876
Rhizocarpon diploschistidina McCune
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Americas – North America (incl Mexico) |
substrate: | lichens, lichenized fungi |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | crustose (crustaceous) – episubstratal – unspecified |
thallus: | compartimentized – areolate, squamulate |
[th] upper surface: | yellow(ish) brown |
[th upper surface]: | epruinose |
[th marginal and upper surface] specific structures: | absent |
[th] medulla amyloidity: | absent | present |
ascomata: | absent | present |
ascoma: | apothecial, apothecioid – hymenial |
ascoma [mm]: | (min) 1.0 |
ascoma: | subsessile, subimmersed, adnate, semi-immersed, emergent | sessile, superficial |
[ascm, if apoth] disc, mazaedium: | subconvex, slightly convex | convex |
[ascm, if apoth] disc, mazaedium: | black(ish) |
[ascm, if apoth] disc, mazaedium: | epruinose |
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
[ascm] paraphyses/-oids: | present |
[ascm] epihymenium, epithecium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
asci: | lecanoralean |
[asc] tholus: | thickened |
[asc] tholus amyloidity (iodine reaction): | present |
[asc] tholus amyloidity pattern: | with amyloid cap (= Icmadophila-, Lecidea-, Pertusaria-types etc) |
ascospores: | (median) 8.0 |
[asp] length [µm]: | (low) 16.0 (high) 18.0 |
[asp] width [µm]: | (low) 7.0 (high) 8.0 |
[asp] septa: | present |
[asp] septa: | transversely septate |
[asp] transversal septa: | (median) 3.0 |
[asp] pigmentation: | dark brown |
[asp] perispore, epispore: | thick, distincly halonate |
secondary metabolites: | present |
secondary metabolites: | rhizocarpic acid |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |