Rorippa sylvestris

Rorippa sylvestris

Yellow Fieldcress

Binomial:	Rorippa sylvestris
Vegetative Spread:	Long rhizomes

Rorippa sylvestris (Creeping Yellowcress ^[1], Keek, Yellow Fieldcress; syn. Radicula sylvestris (L.) Druce ^[2]) is an invasive species ^[3]) in the United States.

Description

Rosette-forming perennial with pinnatifid leaves and clusters of yellow flowers. Colonizes rapidly via underground rhizomes.

Ecology

Considered a noxious weed in parts of the United States.

Control

Mowing: Ineffective
Cultivation: Grows back from small root fragments
Barriers: Paper/mulch barriers

References

Wikiversity is collecting bloom time data for Rorippa sylvestris on the Bloom Clock

Wikimedia Commons has media related to: Rorippa sylvestris

[1] Rorippa sylvestris at USDA PLANTS Database

[2] Rorippa sylvestris at The Herbarium of Louisiana State University

[3] Rorippa sylvestris at Invasive.org

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