Of paddles, soup plates, and clubs: the taxonomy of the southern and south-tropical African Kalanchoe sect. Raveta (Crassulaceae subfam. Kalanchooideae; Kalanchoe subg. Kalanchoe) and its constituent species

SMITH, GIDEON F.

Phytotaxa, 2022-10, Vol.568 (1), p.8-26 [Periódico revisado por pares]

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