Ryding, Olof,
2009,
Flora of Tropical Africa -- Lamiaceae (Labiatae). Beentje, H. J., Ghazanfar, S. A. & Polhill, R. M. (eds.).
1 ed. Kew:
Royal Botanic Gardens,
p. 116-126 Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research