Compare

Lindavia bodanica has a higher stria density (13-15 in 10 µm) and the central areolae are more radial. Lindavia radiosa has shorter and more dense stria (15-18 in 10 µm). Lindavia radiosa has strictly radial central areolae, often with a single areola in the center of the valve. The exterior of the central area is radially wrinkled in L. radiosa.

LM scalebar = 10 µm
Lindavia intermedia LM2 Lindavia intermedia LM1 Lindavia intermedia LM3 Lindavia intermedia LM5 Lindavia intermedia LM5 Lindavia intermedia LM6 Lindavia intermedia LM7
Diameter
12-34 µm
Striae in 10 µm
11-13

Lindavia radiosa

(Grunow) De Toni and Forti 1900

Lindavia radiosa LM2 Lindavia radiosa LM1 Lindavia radiosa LM3 Lindavia radiosa LM4 Lindavia radiosa LM5 Lindavia radiosa LM6 Lindavia radiosa LM7
Diameter
10.9-23.8 µm
Striae in 10 µm
14-18

Also compare to

Lindavia bodanica

(Grunow in Schneider) Nakov et al.

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