Joaquin, Crescencia C. Diversity of spores in Philippine ferns / Cresencia C. Joaquin, Prescillano M. Zamora. - Quezon City : University of the Philippines Press, c1996. - 280 pages : illustrations ; 23 cm Glossary : p. 277 - 280. References : p. 270 - 276. ISBN: 971879798x Subjects--Topical Terms: Ferns--Spores. LC Class. No.: QK521 / J57 1996