LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 13763

Megaspora rimisorediata Valadbeigi & A. Nordin

Characters[*]:Character States[*]:
global occurrence: Eurasia – Asia Extratropical
substrate: bark, cork, plant surface – trunks, branches, twigs
life habit: lichenized (mutualistic with algal photobionts)
thallus: crustose (crustaceous) – episubstratal – unspecified
thallus: cracked, fissured, fractured, rimose
[th] upper surface: blue(ish) grey | brown(ish) yellow (ochraceous, ochre)
[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
[th] morphol substructures (eg areoles, lobes, branches) upper surface: uneven, undulate
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (min) 1.5
ascoma: immersed, innate | subsessile, subimmersed, adnate, semi-immersed, emergent
[ascm, if apoth] disc, mazaedium: concave
[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] subhymenial layers, hypothecium; [if perith] basal excipulum: hyaline, colourless | yellow(ish) brown
[ascm] paraphyses/-oids: present
[ascm] epihymenium, epithecium: brown(ish) green (olivaceous, olive green)
asci: lecanoralean
[asc] tholus: thickened
[asc] tholus amyloidity (iodine reaction): absent
ascospores: (low) 4.0 (high) 8.0
[asp] length [µm]: (min) 32.8 (low) 35.3(median) 38.8 (high) 42.2 (max) 45.2
[asp] width [µm]: (min) 21.5 (low) 22.9(median) 24.9 (high) 26.9 (max) 28.3
[asp] septa: absent – spore lumen unilocular, monolocular
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent | thick, distincly halonate
conidiomata: absent | present
conidia: bacilliform, bacillar
[co] length [µm]: (low) 4.0 (high) 8.0
secondary metabolites: absent
primary photobiont: present
secondary photobionts (eg in cephalodia): absent
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.


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