2018.
Italy
Locality: Boffalora d'Adda: Axially channel of Adda river on southwest bank in reserve area.
Coordinates: 45.3692, 9.4716
(Map it)
Elevation: 90m.
Habitat: Aquatic habitat
Environment description: Streamside. Diffusely spaced population. Water level unseasonably high, overflow area.
Number of plants sampled: 25
Associated species: Nettle, cottonwood, willow, black locust, various grasses, annual weeds.
Collector(s):