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Tuckermanopsis americana (Spreng.) Hale (redirected from: Tuckermannopsis americana)
Family: Parmeliaceae
[Cetraria ciliaris var. halei (W.L. Culb. & C.F. Culb.) Ahti,  more]
Tuckermanopsis americana image
Stephen Sharnoff  

Global occurrence: Americas – North America (incl Mexico) | Arctic.  Substrate: wood – dead, living | bark, cork, plant surface – trunks, branches, twigs.  Life habit: lichenized (mutualistic with algal photobionts).  Thallus: foliose (foliaceous), leaf-like; [th] upper surface: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | grey(ish) brown | green(ish) brown (olive brown); [th upper surface]: epruinose; [th marginal and upper surface] specific structures: present; [th margin] cilia, cilioid structures: present; [th upper surface] isidia, isidioid structures: absent; [th upper surface] soredia, soralia, soralioid structures: absent; [th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 1.0 (high) 2.5; [th] morphol substructures (eg areoles, squamules): distantly discontiguous; [th] morphol substructures (eg lobes, branches): irregular; [th] lower surface: brown(ish) (if pale: fawn, tan; if mid: cinnamon); [th lower surface] specific structures: absent | present; [th lower surface] rhizines, rhizoid structures: present; [th lower surface] rhizines, rhizinoid structures: unbranched, simple.  Ascomata: absent | present; ascoma: apothecial, apothecioid – hymenial; ascoma [mm]: (low) 1.0 (high) 7.0; ascoma: sessile, superficial | subpedicellate, substipitate, subpedunculate, substalked; [ascm, if apoth] disc, mazaedium: concave | plane, flat, flattened, expanded; [ascm, if apoth] disc, mazaedium: red(dish) brown (if pale: orange brown); [ascm, if apoth] disc, mazaedium: epruinose; [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | grey(ish) brown | green(ish) brown (olive brown); [ascm, if apoth] margin excipular photobionts: present | abundant; [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | hyaline, colourless; [ascm] paraphyses/-oids: present; [ascm] epihymenium, epithecium: brown(ish) (if pale: fawn, tan; if mid: cinnamon).  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: subglobose, subspherical; [asp] length [µm]: (low) 5.0 (high) 7.0; [asp] width [µm]: (low) 4.0 (high) 5.0; [asp] septa: absent – spore lumen unilocular, monolocular; [asp] pigmentation: hyaline, colourless; [asp] perispore, epispore: not apparent.  Conidiomata: absent | present.  Conidia: citriform; [co] length [µm]: (low) 5.0 (high) 7.0.  Secondary metabolites: present, alectoronic acid | arthonin.  Primary photobiont: present, chlorophytaceous – trebouxiaceous, chlorococcoid.  Secondary photobionts (eg in cephalodia): absent.

Tuckermanopsis americana image
Troy McMullin  
Tuckermanopsis americana image
Lucy Taylor  
Tuckermanopsis americana image
Stephen Sharnoff  
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image
Tuckermanopsis americana image