Hopea rudiformis

References

1. [1]Trees of Laos and Vietnam - A Field Guide to 100 species. — Hoang Van Sam; Khamseng Nanthavong; Kessler P.J.A. · Blumea · 2004 ↩︎A detailed guide, with excellent line-drawings, to 100 of the more important trees of Laos and Vietnam. A very good work, giving lots of information about each plant. Originally published in the journal Blumea, it is available as a PDF on the Interne
2. [2]Trees of Sungai Wain — http://www.nationaalherbarium.nl/Sungaiwain/ ↩︎An excellent site with factsheets on almost 1,000 species of forest trees growing at Sungai Wain in Indonesia. Each factsheet has good quality pictures plus basic information on the ecology and uses of the plants.
3. [3]Flora Malesiana Series 1 — Various · Nationaal Herbarium Nederiand, Universiteit Leiden branch · http://www.archive.org ↩︎A massive treatment of the plants of the Malaysian Archipelago. Much of it has been made available to download from the Internet