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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)

Epithemia adnata porcellus

Epithemia adnata porcellus


Authority:
(Kützing) Patrick
Year:
1975
References:
Patrick, R. & Reimer, C. W. (1975). The Diatoms of the United States 2(1). Monographs of the Academy of Natural Sciences of Philadelphia. Pennsylvania. pp. 180-181; 198-199 [pl.24:6]
Synonyms:
Epithemia porcellus Kütz. 1844; Epithemia zebra var. porcellus (Kütz.) Grun. 1862; Cystopleura zebra var. porcellus (Kütz.) DeT. 1892
Ecological Preference:
Brackish
Description:
Valve has convex dorsal margin and concave ventral margin; apices are narrow, truncate to slightly capitate, sometimes somewhat reflexed; raphe and central nodule as in nominate variety; 4-5 costae in 10µm, having 2-5 rows of alveoli between the costae, often 3 or more; 8-12 rows of alveoli in 10µm; length is 40-125µm, breadth is 8-14µm
Projects:
  • Transect Project


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