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Parmelia omphalodes (L.) Ach. (redirected from: Parmelia saxatilis var. omphalodes)
Family: Parmeliaceae
[Imbricaria omphalodes (L.) Jatta,  more]
Parmelia omphalodes image
Stephen Sharnoff  
Life habit: lichenized (mutualistic with algal photobionts) thallus: foliose (foliaceous), leaf-like thallus: continuous, diffuse, effuse [th] upper surface: black(ish) | grey(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | brown(ish) black | blue(ish) grey | brown(ish) grey | white(ish) grey [th marginal and upper surface] specific structures: absent [th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 1.0 (high) 4.0 [th] morphol substructures (eg areoles, squamules): contiguous, coherent (throughout the thallus) [th] morphol substructures (eg areoles, lobes, branches) upper surface: smooth, plane | cracked, fissured, fractured, rimulose, subrimose | pseudocyphellate, with pseudocyphellae [th] morphol substructures (eg lobes, branches): irregular [th] lower surface: black(ish) [th lower surface] specific structures: present [th lower surface] rhizines, rhizoid structures: present [th lower surface] rhizines, rhizinoid structures: unbranched, simple | furcately branched, furcate, forked ascomata: absent | present ascoma: apothecial, apothecioid – hymenial ascoma [mm]: (low) 3.0 (high) 12.0 ascoma: sessile, superficial | subpedicellate, substipitate, subpedunculate, substalked [ascm, if apoth] disc, mazaedium: strongly concave, excavate, urceolate | concave [ascm, if apoth] disc, mazaedium: red(dish) brown (if pale: orange brown) [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: grey(ish) | brown(ish) black | brown(ish) grey [ascm, if apoth] margin excipular photobionts: present [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: amyloid with widening axial body towards the apex (= Lecanora-, Parmelia-, Rinodina-types etc) ascospores: (median) 8.0 [asp] shape: ellipsoidal [asp] length [µm]: (low) 10.0 (high) 15.0 [asp] width [µm]: (low) 7.0 (high) 9.0 [asp] septa: absent – spore lumen unilocular, monolocular [asp] pigmentation: hyaline, colourless [asp] perispore, epispore: not apparent conidiomata: absent | present conidia: bacilliform, bacillar [co] length [µm]: (low) 5.5 (high) 6.5 secondary metabolites: present secondary metabolites: atranorin | chloroatranorin | consalazinic acid | lobaric acid | protolichesterinic acid | salazinic acid primary photobiont: present secondary photobionts (eg in cephalodia): absent primary photobiont: chlorophytaceous – trebouxiaceous, chlorococcoid.

substrate: soil, clay, humus, turf, detritus, dead leaves | bryophytes – mosses, liverworts | bark, cork, plant surface – trunks, branches, twigs | rock – siliceous, siliciferous, acidic | rock, stones, pebbles – unspecified.
Parmelia omphalodes image
Samuel Brinker  
Parmelia omphalodes image
Lucy Taylor  
Parmelia omphalodes image
Troy McMullin  
Parmelia omphalodes image
Stephen Sharnoff  
Parmelia omphalodes image
Stephen Sharnoff  
Parmelia omphalodes image
Stephen Sharnoff  
Parmelia omphalodes image
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