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Diatom Image Database

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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Map of south Florida Loxahatchee (LOX) WCA 2A WCA 3A Biscayne Bay Shark River Slough (SRS) Taylor Slough (TS) Florida Bay Everglades National Park (ENP) Everglades National Park (ENP)

Nitzschia lacunarum


Authority:
Hustedt in A. Schmidt et al.
Year:
1922
References:
Krammer K. & Lange-Bertalot H. (1997): "Susswaserflora von Mitteleuropa", Vol.2, pg.68,69, Fig.54:4,6; Wikowski et al. (2000):"Iconographia Diatomologica (Vol.VII). Diatom flora of marine coast I", pg.387;
Synonyms:
(?)Nitzschia thermalis var. minor (Hilse sensu Podzorski 1985)
Ecological Preference:
Brackish
Description:
Frustule is linear in girdle view; valve is more or less linear (compare with Nitzschia commutata) with slight concavity in middle; ends are capitate; length is (35)50-75µm, breadth is 5-8µm; irregular keel punctae on raphe, fibulae about 7-10 in 10µm; striae count is (28)30-32 in 10µm (about 20 punctae in 10µm)
Length:
35 - 70 µm
Width:
5 - 8 µm
Strd:
ca. 30
Fibulae:
7 - 10
Projects:
  • Southeast Florida Coastal Mangroves
  • Transect Project


    • Sample localities:
  • Water Conservation Area 2A (WCA 2A)