Calvo, Joel, Conservatoire et Jardin botaniques de Genève, Switzerland
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Collectanea Botanica Vol. 40 (2021) - Articles
Senecio alatopetiolatus (Compositae), a new record for the Colombian flora
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Collectanea Botanica Vol. 41 (2022) - Articles
On the identity of the Andean species Senecio bonplandianus (≡ Cacalia cinerarioides)
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