Compare

Encyonema silesiacum has a smaller length-to-width ratio (maximum 4.3), greater stria density and longer ventral striae. Encyonema minutum var. pseudogracilis has larger valves (9-13 µm wide). Encyonema paucistriatum has narrower valves with lower stria density.

LM scalebar = 10 µm
Encyonema procerum LM6 Encyonema procerum LM Encyonema procerum LM5 Encyonema procerum LM2 Encyonema procerum LM3 Encyonema procerum LM4
Length Range
20.6-36.0 µm
Width Range
5.6-8.3 µm
Striae in 10 µm
8-11 dorsal; 11-13 ventral

Encyonema minutum var. pseudogracilis

(Cholnoky) Czarn. 1994

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 paucistriatum

(A.Cleve) D.G.Mann 1990

Encyonema paucistriatum LM1 Encyonema paucistriatum LM2 Encyonema paucistriatum LM4 Encyonema paucistriatum LM3 Encyonema paucistriatum LM5 Encyonema paucistriatum LM6 Encyonema paucistriatum LM7
Length Range
25.0-38.8 µm
Width Range
4.9-6.1 µm
Striae in 10 µm
8-11

Also compare to

Encyonema silesiacum

(Bleisch in Rabenh.) D.G.Mann

BioData Reference
Krammer 1997 T1 Pl 4 Fig 1-18 Pl 7 Fig 1 2 6-19