Botanical name : Drynaria quercifolia (Linn.) J. Smith
Family : Polypodiaceae
SANSKRIT SYNONYMS
Aswakatri
AYURVEDIC PROPERTIES
Rasa    : Tikta
Guna   : Lakhu, Snigdha
Virya   : Seeta
PLANT NAME IN DIFFERENT LANGUAGES
English  : Wood fern
Hindi  : Asvakatri, Katikapan
Malayalam : Matilpanna, Pannakizhangu, Pannikizangu 
Distribution – Throughout India growing on old trees, rocks and walls.
PLANT DESCRIPTION
A fern with fleshy, hairy soft creeping stem. Fronds are two types, sterile and fertile fronds. Sterile will dry soon and form as protective covering for rhizomes. Fertile fronds long stalked, pinnate, with numerous sori, on each primary areole.
MEDICINAL PROPERTIES
Plant pacifies vitiated vata, pitta, inflammation, infection, typhoid, cough, arthritis, headache, diarrhea, ulcer, and migraine.
Useful part : Rhizomes.