LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 9372

Bacidia johnstoniae Elix

Characters[*]:Character States[*]:
global occurrence: Oceania – Australasia
substrate: bark, cork, plant surface – trunks, branches, twigs
life habit: lichenized (mutualistic with algal photobionts)
thallus: crustose (crustaceous) – episubstratal – unspecified
thallus: continuous, diffuse, effuse | compartimentized – areolate, squamulate
[th] upper surface: yellow(ish) (if dull: buff) | yellow(ish) green
[th upper surface]: epruinose
[th marginal and upper surface] specific structures: present
[th margin] cilia, cilioid structures: absent
[th upper surface] isidia, isidioid structures: present
[th upper surface] soredia, soralia, soralioid structures: absent
[th] morphol substructures (eg areoles, squamules): contiguous, coherent (throughout the thallus)
[th] morphol substructures (eg areoles, lobes, branches) upper surface: granulose, granular
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (low) 0.5 (high) 2.0
ascoma: sessile, superficial | subpedicellate, substipitate, subpedunculate, substalked
[ascm, if apoth] disc, mazaedium: plane, flat, flattened, expanded | subconvex, slightly convex
[ascm, if apoth] disc, mazaedium: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | red(dish) yellow (orange, orange yellow) | red(dish) brown (if pale: orange brown)
[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) | brown(ish) yellow (ochraceous, ochre)
[ascm] paraphyses/-oids: present
[ascm] paraphyses/-oid cells width [µm]: (low) 1.0 (high) 1.5
[ascm] paraphyses/-oid apical cells width [µm]: (min) 2.5
[ascm] epihymenium, epithecium: yellow(ish) brown
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] shape: acicular (needle-shaped)
[asp] length [µm]: (low) 50.0 (high) 75.0
[asp] width [µm]: (low) 2.5 (high) 5.0
[asp] septa: present
[asp] septa: transversely septate
[asp] transversal septa: (low) 2.5 (high) 5.0
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
secondary metabolites: present
secondary metabolites: 4,5-dichloro-3-O-methylnorlichexanthone | 4,5-dichlorolichexanthone (coronatone) | 4-chlorolichexanthone | dioxodidymic acid | oxodidymic acid | dioxocondidymic acid | dioxoisodidymic acid
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.


© 2001–2024 by Botanische Staatssammlung München
Impressum · Disclaimer · Webmaster