Fig. 1From: Vessel elements of two thelypteroid ferns-part IStudied population of a Ampelopteris prolifera (open environment from University Campus), b A. prolifera (shade environment from University Campus), c A. prolifera (semishade population from Chakdah area near river Ganges) d Thelypteris interrupta (Open swampy environment near Magra–Talandu Railway Track)Back to article page