The Diversity of Ferns (Pteridophyta) at Pundong Japanese Cave, Bantul, Yogyakarta

Yogyakarta Special Region is one of the regions with many historical relics and strong cultural exposure. These assets are widely used as a tourism attraction as well as education. One of the relics, widely known as Pundong Japanese Cave, is one of the mentioned historical tourism attractions in which overgrown by ferns. The objective of this research is to determine the variety of ferns grown on this particular area. The type of this research is exploration, by doing plotless exploration-investigation; the subject of this research is the Pundong Japanese Cave site, and the object is ferns grown within the site location. Data is analysed using descriptive method, analysing the morphology of roots, stem, leaves, sorus, and the leaves cell. Result of this research showing that there are 10 species found at Pundong Japanese Cave, which are: (1) Pteris vittata Linnaeus., (2) Adiantum philippense Linnaeus., (3) Adiantum capillus-veneris Linnaeus. (4) Pityrogramma calomelanos L., (5) Thelypteris sp., (6) Nephrolepis cordifolia (Linnaeus) C. Presl, (7) Pneumatopteris sp., (8) Pyrrosia longifolia (N.L.Burman)., (9) Drynaria quercifolia (Linnaeus) J.Smith, and (10) Selliguea hastata (Thunberg) Fraser-Jenkins.