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File:Jean-Jacques Rousseau - Page d'un herbier - Musée Carnavalet - Probably Ceanothus americanus.jpg - Wikimedia Commons
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Contribution of French explorers to the study of Middle Asian flora: the herbarium collections by Guillaume Capus (1857-1931)
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Flixweed, herb-Sophia or tansy mustard, Descurainia sophia. Le sisimbre parviflore, Sisymbrium sophia. Copperplate engraving printed in three colours by Pierre Bulliard from his Herbier de la France, ou collection complete des plantes
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