20-60 cm.
По влажни места, край реки.
. 0 .. 500 m. VI-VII. [VII-X]. Произход: Северна Америка.
Sharp, Helen, Water-color sketches of American plants, especially New England, (1888-1910) [Helen Sharp]
HD 92/43: 6430, 91E0
RDB: 01G1, 28E5
EUNIS: E5.41, E5.423, E5.43, G1.1112
PAL. CLASS. 37.13, 37.71, 37.72, 41.132, 44.13, 44.2, 44.3
Bondev: 143
