Checklist of Ferns in Mt. Mariveles, Bataan, Philippines

A checklist of fern species in Mt Mariveles, Bataan was provided in two trails of the said mountain, Tarak ridge and Pantingan peak from 400 masl to 1000 masl with information in their growth forms, endemicity and conservation status. The collected specimens were identified and evaluated based on their conservation status. There were 28 taxa, 20 genera in 14 families of ferns observed at Mt. Mariveles Bataan. Among the 14 families, Aspleniaceae has the most numbered of species consisting of 5 taxa. There are 20 taxa of ferns, 14 genera in 10 families that are found in Tarak of Mt Mariveles while 11 taxa and 9 genera in 10 families were recorded in Pantingan of Mt Mariveles. More ferns were observed in Papaya River in Tarak and in 800 to 1000 masl in Pantingan. Mid-elevation forests had the highest maximum fern richness. It results from the combination of high humidity, precipitation, and moderate temperatures. The growth form of collected ferns are mostly epiphytic. Based on their conservation status there are two species that are Least Concern (LC) these are Pteridium aquilinum and Dicranopteris linearis while Angiopteris evecta of Marattiaceae was considered as Other threatened species (OT).