Compare Achnanthes longboardia
Compare
Achnanthes longboardia is more lanceolate in shape than A. coarctata, A. mauiensis, A. muelleri and A. inflata. The stria density of A. polynesia is higher.
LM scalebar = 10 µm
Length Range
22.6-47.8 µm
22.6-47.8 µm
Width Range
8-10.5 µm
8-10.5 µm
Striae in 10 µm
13-15 on raphe valve, 12-14 on rapheless valve
13-15 on raphe valve, 12-14 on rapheless valve
Achnanthes coarctata
Length Range
32-70 µm
32-70 µm
Width Range
9.4-15 µm
9.4-15 µm
Striae in 10 µm
11 on the raphe valve, 9-10 on the rapheless valve
11 on the raphe valve, 9-10 on the rapheless valve
Achnanthes mauiensis
Length Range
22.4-27.1 µm
22.4-27.1 µm
Width Range
5-7.5 µm
5-7.5 µm
Striae in 10 µm
15-19 on both valves
15-19 on both valves
