- Categories
- Anemiaceae (15)
- Aspleniaceae (158)
- Athyriaceae (130)
- Blechnaceae (93)
- Culcitaceae (2)
- Cyatheaceae (57)
- Cystodiaceae (1)
- Cystopteridaceae (23)
- Davalliaceae (12)
- Dennstaedtiaceae (80)
- Desmophlebiaceae (4)
- Dicksoniaceae (10)
- Didymochlaenaceae (5)
- Diplaziopsidaceae (3)
- Dipteridaceae (9)
- Dryopteridaceae (343)
- Equisetaceae (13)
- Gleicheniaceae (35)
- Hemidictyaceae (1)
- Huperziaceae (2)
- Hymenophyllaceae (159)
- Hypodematiaceae (3)
- Isoëtaceae (2)
- Lindsaeaceae (21)
- Lomariopsidaceae (15)
- Lonchitidaceae (1)
- Loxsomataceae (2)
- Lycopodiaceae (123)
- Lygodiaceae (7)
- Marattiaceae (23)
- Marsileaceae (3)
- Matoniaceae (2)
- Metaxyaceae (3)
- Nephrolepidaceae (10)
- Oleandraceae (11)
- Onocleaceae (9)
- Ophioglossaceae (30)
- Osmundaceae (14)
- Plagiogyriaceae (3)
- Polypodiaceae (460)
- Psilotaceae (5)
- Pteridaceae (250)
- Saccolomataceae (10)
- Salviniaceae (2)
- Schizaeaceae (5)
- Selaginellaceae (49)
- Tectariaceae (35)
- Thelypteridaceae (124)
- Thyrsopteridaceae (1)
- Woodsiaceae (2)
Login
Subscribe to FOTW
Taxa on this site
Around the Web
Once more unto the breach, dear friends: Resolving the origins & relationships of the Pellaea wrightiana hybrid complex (new #AJB reseach by Michael Windham, Layne Huiet, Jordan Metzgar, Tom Ranker, George Yatskievych et al) https://bsapubs.onlinelibrary.wiley.com/doi/10.1002/ajb2.1850 #botany #ferns @wileyplantsci
A great day doing a comprehensive Asplenium septentrionale count together with @NatResWales staff. Some positive site actions have already been done, and a good discussion on a management plan to look after this very special site. @FernBPS @fossilplants #FernFriday @cofnod
3Phylogeny, character evolution, and systematics of the fern family Ophioglossaceae based on Sanger sequence data, plastomes, and morphology http://dlvr.it/SQndGJ
FOTW VS. WORLDWIDE DIVERSITY
98.04%
Based on an estimate of 51 families worldwide. Total number of families on this website = 50.
Genera
83.68%
Based on an estimate of 337 genera worldwide. Total number of genera on this website = 282.
Species
12.32%
Based on an estimate of 11,916 species worldwide. Total number of species on this website = 1468.