Taxonomic importance of spore morphology inThelypteridaceaefromNorthern Pakistan

Spore morphology of Thelypteridaceae species growing in Malakand Division, Northern Pakistan, was studied using both light microscopy and scanning electron microscopy. The taxa are Christella dentata and Glaphyropteridopsis erubescens in the subfamily Thelypteridoideae, and Phegopteris connectilis , Pseudophegopteris pyrrhorhachis , and Pseudophegopteris levingei in the subfamily Phegopteridoideae. The studied species exhibit differences in...