Published June 13, 2014 | Version v1
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FIGURES 16–23 in Typification and taxonomy of Gyrosigma tenuissimum (W. Sm.) J.W. Griffith & Henfr., comparison with Gyrosigma coelophilum N. Okamoto & Nagumo and description of two new taxa: Gyrosigma tenuissimum var. gundulae var. nov. and Gyrosigma baculum sp. nov. (Pleurosigmataceae, Bacillariophyta)

  • 1. Stationsweg 158, Heiloo, The Netherlands. E-mail: fass@wxs.nl (corresponding author)
  • 2. Botanic Garden Meise, Dept. Bryophytes - Thallophytes, Nieuwelaan 38, BE-1860 Meise, Belgium. E-mail: myriam.dehaan@br.fgov.be
  • 3. Freidingstrasse 11, 30559 Hannover, Germany. E-mail: WEHerwig@arcor.de
  • 4. Affiliate Research Professor, Harbor Branch Oceanographic Institute, Florida Atlantic University and Research Associate, Smithsonian Institution Marine Station, Ft. Pierce, Florida, USA. E-mail: Dr.Pharg@gmail.com

Description

FIGURES 16–23. Gyrosigma tenuissimum, additional populations, SEM images. Fig. 16. general view, internal. Bar = 20 µm. Fig. 17. Apex, internal. Bar = 4 µm. Fig. 18. centre, internal. Bar = 4µm. Fig. 19. apex, internal. Bar = 4 µm. Fig. 20. general view, external. Bar = 20 µm. Fig. 21. apex, external. Arrow marks apical pore. Bar = 3 µm. Fig. 22. centre, external. Bar = 3 µm. Inset: detail (2x enlargement) showing raphe fissure ends. Fig. 23. apex, external. Arrow marks apical pore. Bar = 3 µm.

Notes

Published as part of Sterrenburg, Frithjof A. S., Haan, Myriam De, Herwig, Wulf E. & Hargraves, Paul E., 2014, Typification and taxonomy of Gyrosigma tenuissimum (W. Sm.) J.W. Griffith & Henfr., comparison with Gyrosigma coelophilum N. Okamoto & Nagumo and description of two new taxa: Gyrosigma tenuissimum var. gundulae var. nov. and Gyrosigma baculum sp. nov. (Pleurosigmataceae, Bacillariophyta), pp. 71-80 in Phytotaxa 172 (2) on page 75, DOI: 10.11646/phytotaxa.172.2.2, http://zenodo.org/record/5142351

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Journal article: 10.11646/phytotaxa.172.2.2 (DOI)
Journal article: urn:lsid:plazi.org:pub:FFC0FFC46508FFC4FF90B73CFFE4FFD1 (LSID)
Journal article: http://publication.plazi.org/id/FFC0FFC46508FFC4FF90B73CFFE4FFD1 (URL)
Journal article: https://zenodo.org/record/5142351 (URL)