There are 2 books by P. T. Ong on BookOrb. A strong starting point is Wild orchids of peninsular Malaysia (2011). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Showing 1 of 2 titles.
Frequently asked questions
How many books has P. T. Ong written?
BookOrb lists 2 books by P. T. Ong.
Where should I start with P. T. Ong?
A good starting point is Wild orchids of peninsular Malaysia (2011).
What is the P. T. Ong books in order list?
In publication order: 1. Wild orchids of peninsular Malaysia (2011).