Lactuca schweinfurthii

References

1. [1]Flora Zambesiaca — http://apps.kew.org/efloras/fz/intro.html ↩︎An excellent online flora of plants from the Zambezi River basin. It lists a number of the plant uses as well as the habitats and botanical descriptions of the plants.
2. [2]Flora of Southern Africa — Roux J.P. · 2003 · http://plants.jstor.org/search?st=662545 ↩︎An excellent on-line resource.
3. [3]Protabase - Plant Resources of Tropical Africa. — http://www.prota.org ↩︎An excellent on-line database with detailed information on over 3,200 species of useful plants of Africa.