The Philippine Journal of Systematic Biology is the official publication of the Association of Systematic Biologists of the Philippines.

Vol 4 (2010)
Table of Contents
Researches
| Characterization of Marine Yeasts isolated from different Substrates Collected in Calatagan, Batangas | |
| Carly Simon P Ramirez, Connel O Go, Sophia Anglica S Hernandez, Hanah I Ruiz, Maureen B Sabit, Thomas Edison E Dela Cruz | 1-11 |
| Characterization and Identification of High Cellulase-Producing Bacterial Strains from Philippine Mangroves | |
| Nik Shawn C Tabao, Rosario G Monsalud | 13-20 |
| Leaf Architecture of Selected Species of Malvaceae sensu APF and its Taxonomic Significance | |
| Allen Anthony P LaraƱo, Inocencio E Buot Jr | 21-54 |
| Molecular Confirmation on the Phylogenetic Position of the Genus Clemensiella Schltr. in Marsdenieae (Apocynaceae - Asclepiadoideae) | |
| Arleen L Buera, Ophelia S Laurente, Bismark Oliver C Lemana, Grecebio Jonathan D Alejandro | 55-66 |
| New Dipterocarp Species from the Philippines | |
| Hermes G Gutierrez, Justo P Rojo, Domingo A Madulid | 67-78 |
| Screening and Optimization of Cellulase Production of Bacillus Strains Isolated from Philippine Mangroves | |
| Nik Shawn C Tabao, Rosario G Monsalud | 79-87 |
Reviews
| Nomenclatural Notes on some Philippine Species of Freshwater Red Algae (Rhodophyta) | |
| Lawrence M Liao | 89-94 |
Philippine Journal of Systematic Biology ISSN 1908-6865
PhilJOL is supported by INASP