Erysimum cheiranthoides L., Sp. Pl.: 661 (1753) (syn: Cheiranthus aquaticus Lej. ; Cheiranthus cheiranthoides var. prostratus LunellCheiranthus erysimoides Huds. ; Cheiranthus scapigerus Willd.Cheiranthus turritoides Lam. ; Cheirinia cheiranthoides Link ; Cheirinia cheiranthoides var. prostrata Lunell ; Conringia turritoides Bubani ; Crucifera erysimum E.H.L.Krause ; Erysimastrum cheiranthus Trautv. ; Erysimum altum (Ahti) Tzvelev ; Erysimum cheiranthifolium Gilib. ; Erysimum cheiranthoides subsp. altum Ahti ; Erysimum cheiranthoides f. angustifolium N.Busch ; Erysimum cheiranthoides f. brachycarpum N.Busch ; Erysimum cheiranthoides f. dentatum N.Busch ; Erysimum cheiranthoides f. dolichocarpum N.Busch ; Erysimum cheiranthoides var. foliolosum Lej. ; Erysimum cheiranthoides var. japonicum H.BoissieuErysimum cheiranthoides var. laxa Maxim. ; Erysimum cheiranthoides var. nodosum Fr. ; Erysimum cheiranthoides var. paniculatum Regel ; Erysimum cheiranthoides f. paniculatum (Regel) N.Busch ; Erysimum cheiranthoides var. pygmaea Rouy & Foucaud ; Erysimum cheiranthoides var. umbrosa Rouy & Foucaud ; Erysimum japonicum (H.Boissieu) Makino ; Erysimum lanceolatum Hook. ; Erysimum parviflorum Pers. ; Erysimum rectum Froel. ; Sisymbrium cheiranthoides Eaton & Wright);
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Europe to N. Japan: Altay, Amur, Austria, Baltic States, Belarus, Belgium, Bulgaria, Buryatiya, Central European Rus, China North-Central, China South-Central, Chita, Czechoslovakia, Denmark, East European Russia, Finland, France, Germany, Hungary, Iceland, Inner Mongolia, Irkutsk, Japan, Kamchatka, Kazakhstan, Khabarovsk, Kirgizstan, Korea, Krasnoyarsk, Kuril Is., Magadan, Manchuria, Mongolia, Netherlands, North Caucasus, North European Russi, Northwest European R, Norway, Poland, Primorye, Romania, Sakhalin, South European Russi, Sweden, Switzerland, Transcaucasus, Tuva, Ukraine, West Himalaya, West Siberia, Xinjiang, Yakutskiya, Yugoslavia; Introduced: Alaska, Alberta, Algeria, Argentina South, Arkansas, British Columbia, California, Colorado, Connecticut, District of Columbia, Egypt, Florida, Great Britain, Idaho, Illinois, Indiana, Iowa, Ireland, Italy, Kansas, Kentucky, Krym, Labrador, Maine, Manitoba, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Montana, Nebraska, Nevada, New Brunswick, New Hampshire, New Jersey, New Mexico, New York, New Zealand South, Newfoundland, North Carolina, North Dakota, Northwest Territorie, Nova Scotia, Nunavut, Ohio, Ontario, Oregon, Pennsylvania, Prince Edward I., Québec, Rhode I., Saskatchewan, South Dakota, Tennessee, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming, Yukon as per POWO;
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Erysimum cheiranthoides from Brampton, Canada-GS05122022-1: 4 very high res. images.
I am sharing Erysimum cheiranthoides clicked from roadsides in Brampton, Canada, November 8, 2022


Yes, appears close to images at
https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:307231-2


 

 

 


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References:
POWO  Catalogue of Life  Wikipedia