Compare

Neidiopsis weilandii has larger, linear valves with cuneate to subrostrate apices. Neidiopsis vekhovii has linear valves with triundulate margins. Neidiopsis levanderi has triundulate valves and straight proximal raphe ends. Neidiopsis hamiltonii has lanceolate valves and straight proximal raphe ends. In Neidium species, proximal raphe ends are hooked towards opposite sides of the valve.

LM scalebar = 10 µm
Neidiopsis wulffii LM6 Neidiopsis wulffii LM5 Neidiopsis wulffii LM4 Neidiopsis wulffii LM3 Neidiopsis wulffii LM2 Neidiopsis wulffii LM1
Length Range
39-48 µm
Width Range
9.4-11.4 µm
Striae in 10 µm
16-18

Neidiopsis levanderi

(Hust.) Lange-Bert. and Metzeltin in Lange-Bert. and Genkal 1999

Neidiopsis levanderi LM5 Neidiopsis levanderi LM4 Neidiopsis levanderi LM3 Neidiopsis levanderi LM2 Neidiopsis levanderi LM1
Length Range
27-47 µm
Width Range
6.6-8.9 µm
Striae in 10 µm
21-24

Neidiopsis hamiltonii

L.L.Bahls 2014

Neidiopsis hamiltonii LM1 Neidiopsis hamiltonii LM2 Neidiopsis hamiltonii LM3 Neidiopsis hamiltonii LM4 Neidiopsis hamiltonii LM5 Neidiopsis hamiltonii LM6 Neidiopsis hamiltonii LM7
Length Range
19.5-43.6 µm
Width Range
6.0-8.3 µm
Striae in 10 µm
22-24

Neidiopsis weilandii

L.L.Bahls 2014

Neidiopsis weilandii LM3 Neidiopsis weilandii LM1 Neidiopsis weilandii LM2 Neidiopsis weilandii LM4 Neidiopsis weilandii LM5 Neidiopsis weilandii LM6 Neidiopsis weilandii LM7
Length Range
39.4-65.1 µm
Width Range
9.0-11.4 µm
Striae in 10 µm
18-20

Also compare to

Neidiopsis vekhovii

Lange-Bert. and Genkal 1999