Cetraria aculeata (Schreber) Fr.  
Family: Parmeliaceae
[Bryopogon aculeatus (Schreb.) Hazsl., moreCetraria aculeata f. aculeata (Schreb.) Fr., Cetraria aculeata var. aculeata (Schreb.) Fr., Cetraria aculeata var. sorediata Du Rietz, Cetraria tenuissima (L.) Vain., Cetraria tenuissima f. lignicola Erichsen, Cetraria tenuissima f. sorediella Erichsen, Cetraria tenuissima f. tenuissima (L.) Vain., Cetraria tenuissima var. campestris (Schaer.) Erichsen, Cetraria tenuissima var. tenuissima (L.) Vain., Cladonia aculeata (Schreb.) Baumg., Coelocaulon aculeatum (Schreb.) Link, Coelocaulon aculeatum f. aculeatum (Schreb.) Link, Coelocaulon aculeatum f. sorediatum (Du Rietz) D. Hawksw., Coelocaulon aculeatum subsp. aculeatum (Schreb.) Link, Coelocaulon tenuissimum (L.) R. Howe, Coralloides aculeatum (Schreb.) Hoffm., Cornicularia aculeata (Schreb.) Ach., Cornicularia aculeata f. acanthella (Ach.) H. Magn., Cornicularia aculeata f. aculeata (Schreb.) Ach., Cornicularia aculeata f. crinita (Flörke) Grummann, Cornicularia aculeata f. edentula (Ach.) Grummann, Cornicularia aculeata f. inermis (Harm.) Grummann, Cornicularia aculeata f. lignicola (Erichsen) Grummann, Cornicularia aculeata f. minutella (Harm.) Lettau, Cornicularia aculeata f. sorediella (Erichsen) Grummann, Cornicularia aculeata f. tenuis Å.E. Dahl, Cornicularia aculeata var. aculeata (Schreb.) Ach., Cornicularia aculeata var. alpina Schaer., Cornicularia aculeata var. campestris (Schaer.) Rabenh., Cornicularia aculeata var. crinita Flörke, Cornicularia aculeata var. edentula Ach., Cornicularia aculeata var. sorediata (Du Rietz) Du Rietz, Cornicularia aculeata var. spadicea (Roth) Ach., Cornicularia spadicea (Roth) Ach., Cornicularia tenuissima (L.) Zahlbr., Cornicularia tenuissima f. acanthella (Ach.) Räsänen, Cornicularia tenuissima f. alpina (Schaer.) Erichsen, Cornicularia tenuissima f. crinita (Flörke) Zahlbr., Cornicularia tenuissima f. edentula (Ach.) Erichsen, Cornicularia tenuissima f. inermis (Harm.) Zahlbr., Cornicularia tenuissima f. minutella (Harm.) Zahlbr., Cornicularia tenuissima f. sorediella (Erichsen) Zahlbr., Cornicularia tenuissima f. spadicea (Roth) Navàs, Cornicularia tenuissima f. tenuissima (L.) Zahlbr., Cornicularia tenuissima var. acanthella (Ach.) Zahlbr., Cornicularia tenuissima var. alpina (Schaer.) Zahlbr., Cornicularia tenuissima var. edentula (Ach.) Zahlbr., Cornicularia tenuissima var. spadicea (Roth) Keissl., Cornicularia tenuissima var. tenuissima (L.) Zahlbr., Lichen aculeatus Schreb., Lichen spadiceus Roth, Lichen tenuissimus L., Lobaria aculeata (Schreb.) Hoffm., Parmelia aculeata (Schreb.) Spreng., Parmelia spadicea (Roth) Spreng., Platysma aculeatum (Schreb.) Frege]
Cetraria aculeata image
Samuel Brinker
  • LIAS
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Botanische Staatssammlung München
Life habit: lichenized (mutualistic with algal photobionts) thallus: fruticose (fruticous), shrub-like, beard-like thallus: continuous, diffuse, effuse [th] upper surface: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | red(dish) brown (if pale: orange brown) [th upper surface]: epruinose [th marginal and upper surface] specific structures: present [th margin] cilia, cilioid structures: absent | present [th upper surface] isidia, isidioid structures: absent [th upper surface] soredia, soralia, soralioid structures: absent | present [th] morphol substructures (eg areoles, lobes, branches) width [mm]: (min) 1.0 [th] morphol substructures (eg areoles, lobes, branches) upper surface: pseudocyphellate, with pseudocyphellae ascomata: absent | present ascoma: apothecial, apothecioid – hymenial ascoma [mm]: (low) 2.0 (high) 5.0 [ascm, if apoth] disc, mazaedium: brown(ish) (if pale: fawn, tan; if mid: cinnamon) [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: brown(ish) (if pale: fawn, tan; if mid: cinnamon) [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) 5.5 (high) 6.5 [asp] width [µm]: (low) 2.5 (high) 3.5 [asp] septa: absent – spore lumen unilocular, monolocular [asp] pigmentation: hyaline, colourless [asp] perispore, epispore: not apparent conidiomata: absent | present [co] length [µm]: (low) 7.0 (high) 7.5 secondary metabolites: present secondary metabolites: lichesterinic acid | protolichesterinic acid primary photobiont: present secondary photobionts (eg in cephalodia): absent primary photobiont: chlorophytaceous – trebouxiaceous, chlorococcoid.

substrate: soil, clay, humus, turf, detritus, dead leaves | wood – dead, living | bark, cork, plant surface – trunks, branches, twigs | rock, stones, pebbles – unspecified.
Cetraria aculeata
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Cetraria aculeata image
Stephen Sharnoff
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Lucy Taylor
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Stephen Sharnoff
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Stephen Sharnoff
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Stephen Sharnoff
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