Sellaphora pupula: lectotype and epitypes

Basionym: Navicula pupula Kützing

References:

Mann, D.G. (2001). The systematics of the Sellaphora pupula complex: typification of S. pupula. In: Lange-Bertalot-Festchrift. Studies on diatoms, dedicated to Prof. Dr. Dr. h.c. Horst Lange-Bertalot on the occasion of his 65th birthday (Ed. by R. Jahn, J.P. Kociolek, A. Witkowski & P. Compère), pp. 225–241. A.R.G. Gantner, Ruggell.

Mann D.G., McDonald S.M., Bayer M.M., Droop S.J.M., Chepurnov V.A., Loke R.E., Ciobanu A. and du Buf J.M.H. (2004) The Sellaphora pupula species complex (Bacillariophyceae): morphometric analysis, ultrastructure and mating data provide evidence for five new species. Phycologia 43: 459-482

Mann et al. (2004), p. 472

Sellaphora pupula (Kützing) Mereschkowsky

LECTOTYPE: BM slide 17918, representing Kützing's material from Nordhausen, Germany: a specimen at England Finder reference M45/2 [designated by Mann (2001) and illustrated in his figs 2–6].

• bright field optics
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• differential interference contrast optics
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EPITYPES: Figs 4a–c, 17 and 23–27 of Mann et al. (2004) were designated epitypes, to help clarify the nature of the lectotype on BM 17918. The epitype shown in Fig. 17 is from Royal Botanic Garden Edinburgh (E): 'Blackford Pond, Dec. '83, mud (tissue), E16/4'. Edinburgh, Scotland, NT 253709. England Finder reference S43/4 [bottom and right-hand (RH) edges of the finder slide co-located with the top and left-hand (LH) edges of the specimen slide, when the label is to the left].

• Fig. 17: bright field optics
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• Fig. 17: differential interference contrast optics
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