Welcome to the Diatom Image Database! The Periphyton Group at Florida International University created and maintains the Diatom Image Database, which includes over 980 diatom taxa found in the greater Everglades region of south Florida. Please send questions or comments about the Diatom Image Database to Franco Tobias .
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Achnanthidium minutissimum 01
Krammer, K. and Lange-Bertalot, H. (1991). Baccilariophyceae: Achnanthaceae. in: Süßwasserflora von Mitteleuropa (H. Ettl, G. Gärtner, J. Gerloff, H. Heynig & D. Mollenhauer, eds), 2(4), pp. 60-61; 312-313 [t.32:29-30]
Achnanthidium microcephalum Kütz. 1844 (lectotype); Achnanthidium lineare W. Smith 1855 (lectotype); Achnanthes minutissima var. cryptocephala Grunow in Van Heurck 1880; Achnanthes minutissima Kützing 1833
Valve is linear to linear-lanceolate, with blunt apices; this is different from the nominate in its valve dimensions; length is 10-25µm, breadth is 1.8-2.7µm; striae count is ~33 in 10µm