LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 2231

Gyalidea lecideopsis (A. Massal.) Lettau ex Vězda

Characters[*]:Character States[*]:
global occurrence: Eurasia – Europe | Americas – North America (incl Mexico) | Arctic
substrate: rock – calcareous, calciferous, basic
life habit: lichenized (mutualistic with algal photobionts)
thallus: crustose (crustaceous) – endosubstratal, inconspicuous, immersed | crustose (crustaceous) – episubstratal – unspecified
thallus: continuous, diffuse, effuse
[th] upper surface: white(ish) | yellow(ish) grey | grey(ish) white
[th marginal and upper surface] specific structures: absent
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (low) 0.3 (high) 0.6
[ascm, if apoth] disc, mazaedium: strongly concave, excavate, urceolate | concave
[ascm, if apoth] disc, mazaedium: black(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | grey(ish) brown | red(dish) brown (if pale: orange brown)
[ascm] paraphyses/-oids: present
[ascm] paraphyses/-oid cells width [µm]: (low) 0.8 (high) 1.0
[ascm] epihymenium, epithecium: brown(ish) (if pale: fawn, tan; if mid: cinnamon)
asci: unitunicate
[asc] tholus: thickened
[asc] tholus amyloidity (iodine reaction): absent
ascospores: (min) 4.0 (low) 6.0 (high) 8.0
[asp] shape: broadly ellipsoidal
[asp] length [µm]: (min) 17.0 (low) 20.0 (high) 30.0 (max) 35.0
[asp] width [µm]: (min) 10.0 (low) 12.0 (high) 15.0
[asp] septa: present
[asp] septa: muriformly septate – muriform, submuriform
[asp] transversal septa: (min) 3.0 (low) 5.0 (high) 6.0 (max) 9.0
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: thick, distincly halonate
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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