Diatoms of North AmericaDiatoms of North America
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Compare Encyonema minutum var. pseudogracilis

(Cholnoky) Czarn. 1994

Compare

Encyonema pergracile is narrower and its dorsal striae become convergent at the apices. Encyonema neogracile is narrower and shorter. Encyonema nicafei is wider and its ventral margin is linear. Encyonema silesiacum has striae that are more fine and with a greater stria density.

LM scalebar = 10 µm
Encyonema minutum var pseudogracilis LM6 Encyonema minutum var pseudogracilis LM3 Encyonema minutum var pseudogracilis LM2 Encyonema minutum var pseudogracilis LM4 Encyonema minimum var pseudogracilis LM7 Encyonema minutum var pseudogracilis LM5 Encyonema minutum var pseudogracilis LM1
Length Range
42-60 µm
Width Range
12.3-13.0 µm
Striae in 10 µm
7-9 at mid-valve; up to 11 at the dorsal apex and 13 at the ventral apex

Encyonema pergracile

Krammer 1997

Encyonema pergracile LM1 Encyonema pergracile LM2 Encyonema pergracile LM3 Encyonema pergracile LM4 Encyonema pergracile LM5
Length Range
32-48 µm
Width Range
6.5-7.8 µm
Striae in 10 µm
11-13

Encyonema neogracile

Krammer 1997

Encyonema neogracile LM1 Encyonema neogracile LM2 Encyonema neogracile LM3 Encyonema neogracile LM4 Encyonema neogracile LM5 Encyonema neogracile LM6
Length Range
18.7-41.3 µm
Width Range
5.5-6.7 µm
Striae in 10 µm
12-15

Encyonema nicafei

S.A.Spauld. 2010

Encyonema nicafei LM1 Encyonema nicafei LM2 Encyonema nicafei LM3 Encyonema nicafei LM4 Encyonema nicafei LM5 Encyonema nicafei LM6
Length Range
56-76 µm
Width Range
16.5-19 µm
Striae in 10 µm
9

Encyonema silesiacum

(Bleisch in Rabenh.) D.G.Mann 1990

Encyonema Silesiacum LM1 Encyonema Silesiacum LM2 Encyonema Silesiacum LM3 Encyonema Silesiacum LM5 Encyonema Silesiacum LM6 Encyonema Silesiacum LM7 Encyonema Silesiacum LM8
Length Range
19.6-48.7 µm
Width Range
6.0-10.8 µm
Striae in 10 µm
12-14 at the valve center, 15-17 near the apices