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Valves of E. adnata and E. turgida are less triangular with rostrate to subcapitate ends and have the raphe canal closer to the ventral margin.

LM scalebar = 10 µm
Er8 Er5 Er1 Er6 Er4 Er3 Er2
Length Range
13-41 µm
Width Range
5.2-9 µm
Striae in 10 µm
14-15

Epithemia adnata

(Kütz.) Bréb. 1838

Epad Iho44070 1Edited Epad Iho44070 6Edited Epad Iho44070 3Edited Epad Nrsa1180 6Edited Epad Iho44070 7Edited Epad Iho44070 4Edited
Length Range
32-70 µm
Width Range
7.5-9.7 µm
Striae in 10 µm
12-14

Epithemia turgida

(Ehrenb.) Kütz. 1844

Eptur Iho41265 8Ed 1 Eptur Iho41265 2Ed 1 Eptur Iho41265 7Ed 1 Eptur Iho41265 4Ed 1 Eptur Iho41265 6Ed 1 Eptur Iho41265 10Ed 1
Length Range
45-166 µm
Width Range
13.5-17 µm
Striae in 10 µm
8-10