Summary
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Lepidium draba (whitetop or hoary cress) is native to western Asia and eastern Europe and is an invasive species in North America, introduced by contaminated seeds in the early 1900s.
Sources and Credits
- (c) Ferran Turmo Gort, some rights reserved (CC BY-NC-SA),
http://www.flickr.com/photos/fturmog/5918717308/
- (c) Andreas Rockstein, some rights reserved (CC BY-SA),
https://www.flickr.com/photos/74738817@N07/34226659371/
- (c) Mauricio Mercadante, some rights reserved (CC BY-NC-SA),
https://www.flickr.com/photos/mercadanteweb/15405665406/
- (c) Harry Rose, some rights reserved (CC BY),
https://www.flickr.com/photos/macleaygrassman/15503218200/
- (c) Wikipedia, some rights reserved (CC BY-SA),
http://en.wikipedia.org/wiki/Lepidium_draba
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