The diversity of fern in Petungkriyono mixed forest Pekalongan, Central Java

Abstract

Fern are group of seedless vascular plants (Tracheophyta). Fern have a wide distribution in Indonesia. The aim of this study is for know the types of ferns in the mixed forest of Petungkriyono. The reseacrh methode used in the cruised method by exproling the entire mixed forest in Petungkriyono. The number of fern species found in the mixed forest of Petungkriyono is 44 species that belong to 14 families. The Snannon index of fern in mixed forest was 3,09. Therefore Petungkriyono mixed forest having a medium diversity level of fern. Humidity, temperature, light intensity and soil pH in the mixed forest of Petungkriyono are suitable for growing ferns.