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Published January 5, 2018 | Version v1
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FIGURE 3. A–C in Formal recognition of six subordinate taxa within the South American bracken fern, Pteridium esculentum (P. esculentum subsp. arachnoideum s.l. -Dennstaedtiaceae), based on morphology and geography

Authors/Creators

  • 1. Departamento de Biologia Vegetal, Universidade Federal de Viçosa, Av. P.H. Rolfs s.n., Viçosa, MG, Brazil, CEP 36570-900
  • 2. Museo Argentino de Ciencias Naturales "Bernardino Rivadavia", CONICET, División Plantas Vasculares, Av. Ángel Gallardo 470- Piso 2, C1405DJR, Ciudad Autónoma de Buenos Aires, Argentina
  • 3. Instituto de Botânica, Herbário SP, Cx.P. 68041, São Paulo, SP, Brazil, CEP 04045-972

Description

FIGURE 3. A–C. Pteridium esculentum subsp. gryphus var. gryphus: A. pinnule (Gleason 423), B. segment, abaxially (Gleason 423), C. segment, cross section, abaxial side up, showing sericeous veins, with lax, arachnoid hairs, and laminar tissue between the veins with farinaceous appearance, fully covered by gnarled hairs (Gleason 423), D–F. Pteridium esculentum subsp. gryphus var. harpianum: D. pinnule ("B.W." 1121 [US-2019769]), E. segment, abaxially (Barreto 1623), F. segment, cross section, abaxial side up, showing veins abaxially nearly glabrous, and laminar tissue between the veins with farinaceous appearance, fully covered by gnarled hairs (Barreto 1623). Drawn by R. Pinto.

Notes

Published as part of Schwartsburd, Pedro B., Yañez, Agustina & Prado, Jefferson, 2018, Formal recognition of six subordinate taxa within the South American bracken fern, Pteridium esculentum (P. esculentum subsp. arachnoideum s.l. -Dennstaedtiaceae), based on morphology and geography, pp. 22-40 in Phytotaxa 333 (1) on page 28, DOI: 10.11646/phytotaxa.333.1.2, http://zenodo.org/record/13723356

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Related works

Is cited by
Taxonomic treatment: http://treatment.plazi.org/id/3003E753FFCC2C637AF3337A31482AD8 (URL)
Is part of
Journal article: 10.11646/phytotaxa.333.1.2 (DOI)
Journal article: urn:lsid:plazi.org:pub:CC3A9F2BFFC72C6D7A7B323430292D3D (LSID)
Journal article: http://publication.plazi.org/id/CC3A9F2BFFC72C6D7A7B323430292D3D (URL)
Journal article: https://zenodo.org/record/13723356 (URL)