Fotos / Sonidos

Autor

dziomber

Fecha

Febrero 8, 2020 a las 03:02 PM CST

Descripción

In an engineered section of the floodplain of the Middle Fork of the Chicago River near what once would have been the confluence of the Skokie River.

The short, deltate teeth on the margins of the valves suggest this hybrid

Fotos / Sonidos

Autor

paulabetz

Fecha

Julio 26, 2021 a las 01:10 PM CDT

Fotos / Sonidos

Qué

Apio Silvestre (Cyclospermum leptophyllum)

Autor

pwinn47

Fecha

Julio 3, 2021 a las 08:10 AM CDT