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Family:
Peltigeraceae
[Arthonia crocea (L.) Ach., more, Lichen croceus L., Parmelia crocea (L.) Spreng., Peltidea crocea (L.) Ach., Peltigera crocea (L.) Hoffm.]
 Stephen Sharnoff |
Life habit: lichenized (mutualistic with algal photobionts) thallus: foliose (foliaceous), leaf-like thallus: continuous, diffuse, effuse [th] upper surface: green(ish) | red(dish) brown (if pale: orange brown) [th marginal and upper surface] specific structures: absent [th] morphol substructures (eg areoles, lobes, branches) upper surface: uneven, undulate [th] lower surface: yellow(ish) red (orange red) [th lower surface] specific structures: absent ascomata: absent | present ascoma: apothecial, apothecioid hymenial ascoma [mm]: (median) 7.0 (max) 10.0 ascoma: sessile, superficial [ascm, if apoth] disc, mazaedium: plane, flat, flattened, expanded | subconvex, slightly convex | convex [ascm, if apoth] disc, mazaedium: brown(ish) (if pale: fawn, tan; if mid: cinnamon) [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: hyaline, colourless [ascm] paraphyses/-oids: present asci: lecanoralean [asc] tholus: thickened [asc] tholus amyloidity (iodine reaction): present [asc] tholus amyloidity pattern: with amyloid tube, ring (= Collema-, Micarea-, Porpidia-, Psora-types etc) ascospores: (low) 6.0 (high) 8.0 [asp] shape: oblong, oblong-obtuse [asp] length [µm]: (low) 35.0 (high) 45.0 [asp] width [µm]: (low) 10.0 (high) 12.0 [asp] septa: present [asp] septa: transversely septate [asp] transversal septa: (median) 1.0 [asp] pigmentation: medium brown, brownish | dark brown [asp] perispore, epispore: ornamented, rough, warted, striate, cracked secondary metabolites: present secondary metabolites: solorinic acid primary photobiont: present secondary photobionts (eg in cephalodia): present primary photobiont: cyanobacterial | chlorophytaceous trebouxiaceous, chlorococcoid.
substrate: soil, clay, humus, turf, detritus, dead leaves.
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