Flora of Tropical Africa /by Daniel Oliver ... Assisted by Other Botanists. Volume v. 5 (1-3) 1899-1900 - Acanth-Plantagineae/fr-ca/flora-of-tropical-africa-%2Fby-daniel-oliver-...-assisted-by-other-botanists.-volume-v.-5-1-3-1899-1900---acanth-plantagineae/2C49E2EE-02F8-43A5-B572-E37E25D2BF18.html2C49E2EE-02F8-43A5-B572-E37E25D2BF18
Flora of Tropical Africa /by Daniel Oliver ... Assisted by Other Botanists. Volume v. 5 (1-3) 1899-1900 - Acanth-Plantagineae