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	Erysimum rhaeticum  (SCHLEICH. ex HORNEM.) DC.

Fam.: Brassicaceae / Crucifers

Synon.:  Erysimum helveticum  (JACQ.) DC.

Genus:  Erysimum  L.

Authors:
	SCHLEICH.:		Johann Christian Schleicher (1768 - 1834), German botanist in Switzerland
	HORNEM.:		Jens Wilken Hornemann (1770 - 1841), Danish botanist
	DC.:		Augustin-Pyrame de Candolle (1778 - 1841), Swiss botanist
	JACQ.:		Nikolaus Joseph von Jacquin (1727 - 1817), Austrian chemist and botanist
	L.:		Carl von Linné (Linnaeus, 1707 - 1777), Swedish naturalist who introduced the binary naming system for plants and animals

Etymology:
	Erysimum:		Greek plant name, from eryesthai = to save
	rhaeticum:		from Rhaetia (Switzerland)
	helveticum:		from Switzerland

Fig. 1:  Erysimum rhaeticum / Swiss Treacle Mustard F Grasse 2.5.2023

Fig. 2:  Erysimum rhaeticum / Swiss Treacle Mustard F Grasse 2.5.2023

Fig. 3:  Erysimum rhaeticum / Swiss Treacle Mustard F Grasse 2.5.2023

Fig. 4:  Erysimum rhaeticum / Swiss Treacle Mustard F Grasse 2.5.2023

Fig. 5:  Erysimum rhaeticum / Swiss Treacle Mustard F Grasse 2.5.2023

Fig. 6:  Erysimum rhaeticum / Swiss Treacle Mustard F Grasse 2.5.2023

Fig. 7:  Erysimum rhaeticum / Swiss Treacle Mustard F Col d'Eze 1.5.2023

Fig. 8:  Erysimum rhaeticum / Swiss Treacle Mustard F Col d'Eze 1.5.2023

Fig. 9:  Erysimum rhaeticum / Swiss Treacle Mustard F Col d'Eze 1.5.2023

Fig. 10:  Erysimum rhaeticum / Swiss Treacle Mustard F Col d'Eze 1.5.2023

Fig. 11:  Erysimum rhaeticum / Swiss Treacle Mustard F Col d'Eze 1.5.2023

Fig. 12:  Erysimum rhaeticum / Swiss Treacle Mustard F Col d'Eze 1.5.2023

Fig. 13:  Erysimum rhaeticum / Swiss Treacle Mustard F Castellane 12.5.2007

Fig. 14:  Erysimum rhaeticum / Swiss Treacle Mustard F Castellane 12.5.2007

Fig. 15:  Erysimum rhaeticum / Swiss Treacle Mustard F Castellane 12.5.2007

Fig. 16:  Erysimum rhaeticum / Swiss Treacle Mustard F Castellane 12.5.2007

Fig. 17:  Erysimum rhaeticum / Swiss Treacle Mustard F Castellane 12.5.2007

Fig. 18:  Erysimum rhaeticum / Swiss Treacle Mustard F Castellane 12.5.2007

Fig. 19:  Erysimum rhaeticum / Swiss Treacle Mustard F Castellane 12.5.2007

Fig. 20:  Erysimum rhaeticum / Swiss Treacle Mustard F Castellane 12.5.2007

Fig. 21:  Erysimum rhaeticum / Swiss Treacle Mustard F Castellane 12.5.2007

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Copyright: Use of the images and texts only with the author's written permission.