Jim Hill Mustard
(Tall Mustard, Tumble Mustard, Tumbleweed Mustard, Tall Sisymbrium, Tall Hedge Mustard)

Sisymbrium altissimum

Exotic species, native to the western part of the Mediterranean Basin in Europe and Northern Africa

Irvine Lake and N slope, 3-3-13. © Ron Vanderhoff.

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