Calophyllum papuanum

References

1. [1]Guide to the Trees of Papua New Guinea — Conn. B.J. & Damas. K.Q. · http://www.pngplants.org/PNGtrees/ ↩︎An Internet site giving good descriptions of the trees of Papua New Guinea.
2. [2]Journal of the Arnold Arboretum Vol 61 — Harvard University · 1980 · http://www.biodiversitylibrary.org · ISBN 0004-2625 ↩︎A treatment of the Asian species of Colophyllum is just one of the articles in this publication. It can be downloaded from the Internet.
3. [3]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.
4. [4]Forest Stewardship Council. — http://www.fsc.dk/index.php?id=256&PHPSESSID=367043b95e93a891cf96369e9264cd03 ↩︎The site contains information on the properties of some less well-known tropical timbers. The Forest Stewardship Council works actively to protect tropical forests by encouraging sustainable harvesting of the trees.
5. [5]Tropix 7 — CIRAD · http://tropix.cirad.fr/en ↩︎An on-line guide to the timbers of 245 species of trees.