FIGURES 51–65. Hantzschia amphioxys f in Three new Hantzschia species (Bacillariophyta) from the Maritime Antarctic Region
- 1. Department of Ecology, Faculty of Science, Charles University, Prague, Czech Republic
- 2. University of Rzeszow, Faculty of Biology and Agriculture, Podkarpackie Innovative Research Center of Environment, Zelwerowicza 8B, 35-601 Rzeszów, Poland
- 3. Department of Ecology, Faculty of Science, Charles University, Prague, Czech Republic & Academy of Sciences of the Czech Republic, Institute of Botany, Section of Plant Ecology, Dukelská 135, CZ-37982 Třeboň, Czech Republic
- 4. Botanic Garden Meise, Research Department, Nieuwelaan 38, B-1860 Meise, Belgium & University of Antwerp, Department of Biology, ECOBE, Universiteitsplein 1, B-2610 Wilrijk, Antwerpen, Belgium
Description
FIGURES 51–65. Hantzschia amphioxys f. muelleri. LM and SEM observations of a population from Livingston Island (sample LIV- 16A). Figs 51–61. Light micrographs showing a reduction in valve length. Fig. 62. External view of an entire valve showing the thickened ventral hyaline border with scattered areolae. Fig. 63. External detail of the central area with the deflected, interrupted proximal raphe endings. Fig. 64. Internal detail of the central area with the thickened central nodule. Proximal raphe endings are not clearly discernible. Fig. 65. Internal view of an entire valve showing the irregularly placed fibulae. Scale bar represents 10 μm except for figs 63 & 64 where scale bar = 1 μm.
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