interrupted fern plant on on dark nature background

annotinum beautiful botany claytosmunda claytosmunda clatoniana close-up closeup closeup plant club-moss clubmoss creeping environment fern fern leaves flora forest green herbal remedy interrupted interrupted leaf lycopodium macro medicinal micro natural nature nature background northeast osmunda osomunda claytoniana outdoors primary producer pteridophyte sori sporangia spore production sporophyte spring summer trophic pyramid vascular vertical orientation