Cassia spinescens Hoffmanns. ex Vogel
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Floras and Monographs
Cassia spinescens Hoffmanns. ex Vogel: [Article] Irwin, Howard S. 1966. Contributions to the botany of Guiana. IV. Legumonosae Caesalpinioideae. Mem. New York Bot. Gard. 15: 112-128.