Links to genera
Ferns and Horsetails (Monilophytes)
Adiantum
Anogramma
Asplenium
Athyrium
Azolla
Blechnum
Botrychium
Cryptogramma
Cyrtomium
Cystopteris
Dicksonia
Dryopteris
Equisetum
Gymnocarpium
Hymenophyllum
Matteuccia
Microsorum
Onoclea
Ophioglossum
Oreopteris
Osmunda
Phegopteris
Pilularia
Polypodium
Polystichum
Pteridium
Pteris
Thelypteris
Trichomanes
Woodsia
Clubmosses and Quillworts (Lycophytes)
Diphasiastrum
Huperzia
Isoetes
Lycopodiella
Lycopodium
Selaginella
Lycopodium
Main stems procumbent, not flattened, lateral and fertile stems erect; leaves in spirals or whorls; sporangia on reduced leaves in cones.
3 species in Britain (one only recently identified in Britain), 1 in Ireland. Some botanists classify all clubmosses together as Lycopodium.
Lycopodium annotinum
Interrupted clubmoss
Lycopodium clavatum
Stagshorn Clubmoss
Lycopodium lagopus
Arctic Stagshorn Clubmoss
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