Citation
VACHELLIA MACRACANTHA (Humboldt & Bonpland ex Willdenow) Seigler & Ebinger, Phytologia 87: 168. 2005.
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ECUADOR: Guayas: Guayaquil, s.d., Humboldt & Bonpland s.n. (lectotype: B-W; isolectotypes: NY, P). Lecotypified by McVaugh, Fl. Novo-Galic. 5: 132. 1987.