Leathery blue-green laminae and marginal sori help distinguish Dryopteris...Read More
Dense glandular hairs and short basal basiscopic pinnules help distinguish D. intermedia....Read More
Dryopteris x dowellii
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Taxa on this site
FOTW VS. WORLDWIDE DIVERSITY
Based on an estimate of 51 families worldwide. Total number of families on this website = 50.
Based on an estimate of 337 genera worldwide. Total number of genera on this website = 287.
Based on an estimate of 11,916 species worldwide. Total number of species on this website = 1550.