LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 4789

Placopsis lambii Hertel & V. Wirth

Characters[*]:Character States[*]:
global occurrence: Africa (incl Madagascar) | Eurasia – Asia Extratropical | Oceania – Australasia | Eurasia – Europe | Americas – North America (incl Mexico) | Americas – South and Central America | Arctic
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) | grey(ish) green | brown(ish) green (olivaceous, olive green) | white(ish) brown (beige) | green(ish) white | yellow(ish) white (ivory, off-white, cream-coloured)
[th marginal and upper surface] specific structures: present
[th margin] cilia, cilioid structures: absent
[th upper surface] isidia, isidioid structures: absent
[th upper surface] soredia, soralia, soralioid structures: present
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (low) 0.2 (high) 1.0 (max) 1.5
ascoma: subsessile, subimmersed, adnate, semi-immersed, emergent | sessile, superficial
[ascm, if apoth] disc, mazaedium: plane, flat, flattened, expanded | subconcave, slightly concave
[ascm, if apoth] disc, mazaedium: red(dish) | white(ish) red (rose) | red(dish) white (pink)
[ascm, if apoth] disc, mazaedium: epruinose | pruinose
[ascm, if apoth] disc, mazaedium pruina: scarce, sparse, fine
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | yellow(ish) brown | red(dish) brown (if pale: orange brown)
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: brown(ish) red (carneous)
[ascm] paraphyses/-oids: present
[ascm] epihymenium, epithecium: green(ish) brown (olive brown)
asci: lecanoralean
[asc] tholus: thickened
[asc] tholus amyloidity (iodine reaction): absent
ascospores: (median) 8.0
[asp] shape: broadly ellipsoidal
[asp] length [µm]: (low) 15.0 (high) 16.5 (max) 18.5
[asp] width [µm]: (low) 6.5 (high) 8.5
[asp] septa: absent – spore lumen unilocular, monolocular
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
conidiomata: absent | present
conidia: filiform, vermiform
[co] length [µm]: (low) 20.0 (high) 26.5
secondary metabolites: present
secondary metabolites: 5-O-methylhiascic acid | gyrophoric acid | hiascic acid
primary photobiont: present
secondary photobionts (eg in cephalodia): absent | present
primary photobiont: chlorophytaceous – trebouxiaceous, chlorococcoid

[*] Not all (synonymous, equivalent or similar) terms being provided in parallel for a character or character state (e.g. 'endosubstratal, inconspicuous, immersed') need to be valid for the taxon under concern.


© 2001–2020 by Botanische Staatssammlung M√ľnchen
Impressum · Disclaimer · Webmaster