0 .. 600 m
·VI·VII·VIII·IX·
·VI·VII·VIII·IX·

10-70 cm. В езера и блата. . 0 .. 600 m.. VI-IX.

HD 92/43: 1150, 3150, 3260
RDB: 04C1, 15C2, 17C3
EUNIS: C1.22, C1.23, C1.24, C1.32, C1.33, C2.3, C2.33 , C2.34, C3.249
PAL.CLASS.: 21, 22.43, 22.44, 24.1, 22.41, 22.42, 22.431, 53.149