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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Gomphonema affine rhombicum
Reichardt, E. (1999). Zur Revision der Gattung Gomphonema: Die Arten um G. affine/insigne, G. angustatum/micropus, G. acuminatum sowie gomphonemoide Diatomeen aus dem Oberoligozan in Bohmen. Iconographia Diatomologica 8, pp. 15, 82, 83 [t.10:2-5]
Valves have rhomboid-lanceolate shape consistent in individuals of varying lengths, a feature that differs from that of the nominate