Great Yellowcress

Rorippa_amphibiaThis perennial is 50-100 cm tall. The stems are hollow and prostrate, rooting at nodes. In the plants originated in water, the submerged leaves pinnatisected into linear or threadlike doles.

It is common in shoals and marshy shores, sticky alder forests and meadow wetlands. It flowers in May-July.

/ * The photos at are cross-posted from and are used for familiarization purposes only. No commercial use of the photos is allowed. For more information about to use the photos see the originals on /