Photo: Sisymbrium strictissimum.

Flowers and leaf. Helsinki bot.g., (Kump.), Finland. Planted. 2004-09-17.
Sisymbrium strictissimum L. Engl.: perennial rocket. Deu.: Steife Rauke. Suom.: jäykkäpernaruoho. Sven.: styvsenap
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Photo: Sisymbrium strictissimum.