Mitragyna ledermannii

References

1. [1]Tropix 7 — CIRAD · http://tropix.cirad.fr/en ↩︎An on-line guide to the timbers of 245 species of trees.
2. [2]The World List of Threatened Trees — Oldfield S.; Lusty C.; and MacKinven A. · World Conservation Press; Cambridge UK · 1998 · http://www.biodiversitylibrary.org · ISBN 1-899628-10 X ↩︎A list of the trees on the IUCN Red List of Threatened Plant Species in 1998, often giving some information on habitat and the reasons for being on the list. It can be downloaded from the Internet.
3. [3]The Useful Plants of West Tropical Africa. — Burkil. H. M. · Royal Botanic Gardens; Kew. · 1985 - 2004 ↩︎Brief descriptions and details of the uses of over 4,000 plants. A superb, if terse, resource, it is also available electronically on the Web - see http://www.aluka.org/
4. [4]IUCN Red List of Threatened Species — http://www.iucnredlist.org/ ↩︎A list of plants under threat and facing possible extinction, usually with brief details of the threats and information on habitat.