- Actinia tenebrosa, Waratah Anemone
- Actiniaria, Sea anemones
- Actiniidae, Sea anemones;Brooding sea anemones
- Actinoscyphiidae, Venus fly-trap anemone
- Anemone apennina, Blue Anemone;Anemonoides apennina (L) Holub
- Anemone blanda, Balkan Anemone;Greek Thimbleweed
- Anemone canadensis, Canadian anemone
- Anemone caroliniana, Carolina anemone;Carolina thimbleweed
- Anemone coronaria, Poppy Anemone;Lilies-of-the-field
- Anemone cylindrica, Candle anemone
- Anemone drummondii, Drummonds anemone
- Anemone lancifolia, Mountain thimbleweed;Lance-leaved anemone
- Anemone lyallii, Little Mountain thimbleweed;Little mountain anemone
- Anemone multifida, Pacific anemone
- Anemone narcissiflora, Narcissus anemone;Narcissus-flowered anemone
- Anemone nemorosa, Wood Anemone;Anemonoides nemorosa (L) Holub;European thimbleweed
- Anemone oregana, Blue windflower;Oregon anemone
- Anemone parviflora, Smallflowered anemone;Northern anemone
- Anemone piperi, Pipers anemone
- Anemone quinquefolia, Wood anemone
- Anemone ranunculoides, Yellow Anemone;Anemonoides ranunculoides (L) Holub;Yellow Woodland Anemone;Anemonoides ranunculoides (L) Holub
- Anemone richardsonii, Yellow thimbleweed;Yellow anemone
- Anemone rivularis, Brook anemone
| - Anemone sylvestris, Snowdrop Anemone;Snowdrop Windflower
- Anemone tomentosa, Hardy grape leaf anemone;Grapeleaf anemone
- Anemone tuberosa, Tuber anemone;Desert anemone
- Anemonopsis macrophylla, False anemone
- Anthozoa, Corals;Sea anemones;Sea pens;Hexacorallians;Hexacorals
- Carpenteria californica, Tree anemone
- Cnidaria, Corals;Hydroids;Jellyfish;Sea anemones
- Edwardsiidae, Burrowing anemones
- Enemion biternatum, False rue anemone;Eastern false rue anemone;Isopyrum biternatum
- Enemion occidentale, Western false rue anemone
- Enemion savilei, Queen Charlotte Island false rue anemone
- Enemion stipitatum, Siskiyou false rue anemone
- Halcampidae, Burrowing anemones
- Haloclavidae, Parasitic anemones
- Isophelliidae, White burrowing anemone
- Liponematidae, Tentacle-shedding anemone;Liponemidae
- Metridiidae, Pink clonal anemone;Gigantic anemone;Cloned plumose anemone
- Metridium exilis, Pink clonal anemone
- Phymanthidae, Beaded anemone
- Stichodactylidae, Caribbean sun anemone
- Thalassianthidae, Sea anemones
- Thalictrum thalictroides, Rue anemone;Anemonella thalictroides
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