- Bazzania spiralis, Bazzania schildii;Jungermannia erosa var b;Jungermannia spiralis;Mastigobryum erosa var b;Mastigobryum spirale
- Chamaescilla spiralis, Caesia spiralis Endl;Caesia spiralis Endl var spiralis
- Costus spiralis, Alpinia spiralis
- Fossombronia crispa, Fossombronia capensis var spiralis;Fossombronia capensis;Fossombronia zeyherii;Jungermannia crispa;Jungermannia pusilla Lehm
- Macrozamia spiralis, Native Pineapple;Zamia spiralis Salisb;Encephalartos spiralis Salisb Lehm;Encephalartos spiralis Salisb Lehm var spiralis;Macrozamia corallipes Hookf;Macrozamia corallipes Hookf var corallipes;Macrozamia tridentata var corallipes Hookf JSchust;Macrozamia tridentata f dielsii JSchust
- Vallisneria americana, Tapegrass;Vallisneria spiralis;American eelgrass;American Tape-Grass;American Eelgrass;Vallisneria asiatica Michx;Vallisneria neotropicalis Victorin;Vallisneria spiralis auct non L
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