
LIAS light – Item Descriptions
LIASlight ItemID: 4592
Phaeographis dendritica (Ach.) Müll. Arg.
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Eurasia – Europe | Americas – North America (incl Mexico) | Americas – South and Central America |
substrate: | bark, cork, plant surface – trunks, branches, twigs |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | crustose (crustaceous) – episubstratal – unspecified |
thallus: | continuous, diffuse, effuse | cracked, fissured, fractured, rimose | compartimentized – areolate, squamulate |
[th] upper surface: | grey(ish) | yellow(ish) (if dull: buff) | white(ish) | yellow(ish) white (ivory, off-white, cream-coloured) |
[th upper surface]: | epruinose |
[th marginal and upper surface] specific structures: | absent |
[th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane | verruculose, minutely warted |
ascomata: | absent | present |
ascoma: | apothecial, apothecioid – hymenial |
ascoma [mm]: | (low) 0.3 (high) 0.5 |
ascoma: | immersed, innate | subsessile, subimmersed, adnate, semi-immersed, emergent |
[ascm, if apoth] disc, mazaedium: | concave | plane, flat, flattened, expanded |
[ascm, if apoth] disc, mazaedium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
[ascm, if apoth] disc, mazaedium: | epruinose | pruinose |
[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: | unitunicate |
[asc] tholus: | thickened |
[asc] tholus amyloidity (iodine reaction): | absent |
ascospores: | (median) 8.0 |
[asp] shape: | oblong, oblong-obtuse | fusiform |
[asp] length [µm]: | (min) 25.0 (low) 26.0 (high) 40.0 (max) 50.0 |
[asp] width [µm]: | (min) 6.0 (low) 7.0 (high) 10.0 |
[asp] septa: | present |
[asp] septa: | transversely septate |
[asp] transversal septa: | (low) 5.0 (high) 9.0 (max) 11.0 |
[asp] pigmentation: | pale brown |
[asp] perispore, epispore: | amyloid |
secondary metabolites: | present |
secondary metabolites: | connorstictic acid | norstictic acid |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trentepohliaceous, trentepohlioid |