| Trapa acicularis V.N.Vassil. |
Unresolved |
 |
WCSP (in review) |
| Trapa acornis Nakano |
Synonym |
 |
TRO |
| Trapa alatyrica Sprygin ex V.N.Vassil. |
Unresolved |
 |
WCSP (in review) |
| Trapa algeriensis V.N.Vassil. |
Unresolved |
 |
WCSP (in review) |
| Trapa amurensis Flerow |
Synonym |
 |
TRO |
| Trapa amurensis var. komarovii Skvortsov |
Synonym |
 |
TRO |
| Trapa annosa Jankovic |
Unresolved |
 |
WCSP (in review) |
| Trapa antennifera H.Lév. |
Unresolved |
 |
WCSP (in review) |
| Trapa araborum V.N.Vassil. |
Unresolved |
 |
WCSP (in review) |
| Trapa arcuata S.H. Li & Y.L. Chang |
Synonym |
 |
TRO |
| Trapa assamica Wójcicki |
Unresolved |
 |
WCSP (in review) |
| Trapa astrachanica (Flerow) N.A.Winter |
Unresolved |
 |
WCSP (in review) |
| Trapa austroafricana V.N.Vassil. |
Unresolved |
 |
WCSP (in review) |
| Trapa bicornis Osbeck |
Synonym |
 |
TRO |
| Trapa bicornis var. acornis (Nakano) Z.T. Xiong |
Synonym |
 |
TRO |
| Trapa bicornis var. bispinosa (Roxb.) Nakano |
Synonym |
 |
TRO |
| Trapa bicornis var. bispinosa (Roxb.) Z.T. Xiong |
Synonym |
 |
TRO |
| Trapa bicornis var. cochinchinensis (Lour.) Steenis |
Synonym |
 |
TRO |
| Trapa bicornis var. makinosa (Nakano) Nakano |
Unresolved |
 |
TRO |
| Trapa bicornis var. quadrispinosa (Roxb.) Z.T. Xiong |
Synonym |
 |
TRO |
| Trapa bicornis var. taiwanensis (Nakai) Z.T. Xiong |
Synonym |
 |
TRO |
| Trapa bispinosa Roxb. |
Synonym |
 |
WCSP (in review) |
| Trapa bispinosa var. iinumae Nakano |
Synonym |
 |
TRO |
| Trapa bispinosa var. incisa (Siebold & Zucc.) Franch. & Sav. |
Synonym |
 |
TRO |
| Trapa bispinosa var. makinoa Nakano |
Synonym |
 |
TRO |
| Trapa borysthenica V.N.Vassil. |
Unresolved |
 |
WCSP (in review) |
| Trapa brevicarpa Jankovic |
Unresolved |
 |
WCSP (in review) |
| Trapa carinthiaca (Beck) V.N.Vassil. |
Unresolved |
 |
WCSP (in review) |
| Trapa caspica P.Vassil. |
Unresolved |
 |
WCSP (in review) |
| Trapa castanea Gilib. |
Unresolved |
 |
WCSP (in review) |
| Trapa caucasica Flerow |
Unresolved |
 |
WCSP (in review) |
| Trapa chinensis Lour. |
Synonym |
 |
TRO |
| Trapa cochinchinensis Lour. |
Synonym |
 |
TRO |
| Trapa colchica Albov |
Unresolved |
 |
WCSP (in review) |
| Trapa congolensis V.N.Vassil. |
Unresolved |
 |
WCSP (in review) |
| Trapa conocarpa Fler. |
Unresolved |
 |
TRO |
| Trapa cruciata (Glück) V.N.Vassil. |
Unresolved |
 |
WCSP (in review) |
| Trapa danubialis Dobrocz. |
Unresolved |
 |
WCSP (in review) |
| Trapa dimorphocarpa Z.S. Diao |
Synonym |
 |
TRO |
| Trapa europaea Fler. |
Accepted |
 |
TRO |
| Trapa fastigiata P.Vassil. |
Unresolved |
 |
WCSP (in review) |
| Trapa flerovii Dobrocz. |
Accepted |
 |
TRO |
| Trapa grozdovii V.N.Vassil. ex V.N.Tikhom. |
Unresolved |
 |
WCSP (in review) |
| Trapa hankensis Pshenn. |
Unresolved |
 |
WCSP (in review) |
| Trapa hungarica Opiz ex Nyman |
Unresolved |
 |
WCSP (in review) |
| Trapa hyrcana Woronow |
Unresolved |
 |
WCSP (in review) |
| Trapa incisa Siebold & Zucc. |
Accepted |
 |
TRO |
| Trapa incisa var. quadricaudata Glück |
Synonym |
 |
TRO |
| Trapa insperata V.N.Vassil. |
Unresolved |
 |
WCSP (in review) |
| Trapa jankovicii Tacik |
Unresolved |
 |
WCSP (in review) |
| Trapa japonica Flerow |
Accepted |
 |
WCSP (in review) |
| Trapa japonica var. jeholensis (Nakai) Kitag. |
Synonym |
 |
TRO |
| Trapa japonica var. longicollum Z.T. Xiong |
Synonym |
 |
TRO |
| Trapa japonica var. magnicorona Z.T. Xiong |
Synonym |
 |
TRO |
| Trapa japonica var. tuberculifera (V.N. Vassil.) Tzvelev |
Synonym |
 |
TRO |
| Trapa jeholensis Nakai |
Synonym |
 |
TRO |
| Trapa kasachstanica V.N.Vassil. |
Unresolved |
 |
WCSP (in review) |
| Trapa kashmirensis Wójcicki |
Unresolved |
 |
WCSP (in review) |
| Trapa kazakorum P.Vassil. |
Unresolved |
 |
WCSP (in review) |
| Trapa komarovii V.N. Vassil. |
Synonym |
 |
TRO |
| Trapa korshinskyi V.N. Vassil. |
Synonym |
 |
TRO |
| Trapa kozhevnikoviorum Pshenn. |
Unresolved |
 |
WCSP (in review) |
| Trapa krauselii P.Vassil. |
Unresolved |
 |
WCSP (in review) |
| Trapa laevis C.Presl ex Nyman |
Unresolved |
 |
WCSP (in review) |
| Trapa litwinowii V.N. Vassil. |
Synonym |
 |
TRO |
| Trapa litwinowii var. chihuensis S.F. Guan & Q. Lang |
Synonym |
 |
TRO |
| Trapa longicarpa Jankovic |
Unresolved |
 |
WCSP (in review) |
| Trapa longicornis V.N.Vassil. |
Unresolved |
 |
WCSP (in review) |
| Trapa macropoda Miki |
Accepted |
 |
TRO |
| Trapa macrorhiza Dobrocz. |
Unresolved |
 |
WCSP (in review) |
| Trapa maeotica Woronow |
Unresolved |
 |
WCSP (in review) |
| Trapa maleevii V.N.Vassil. |
Unresolved |
 |
WCSP (in review) |
| Trapa mammillifera Miki |
Accepted |
 |
TRO |
| Trapa manshurica Flerow |
Synonym |
 |
TRO |
| Trapa manshurica var. bispinosa Flerow |
Synonym |
 |
TRO |
| Trapa manshurica f. komarovi (Skvortsov) S.H. Li & Y.L. Chang |
Synonym |
 |
TRO |
| Trapa maximowiczii Korsh. |
Synonym |
 |
TRO |
| Trapa maximowiczii var. tonkinensis Gagnep. |
Synonym |
 |
TRO |
| Trapa media V.N. Vassil. |
Synonym |
 |
TRO |
| Trapa metschorica P.Vassil. |
Unresolved |
 |
WCSP (in review) |
| Trapa muzzanensis Szaf., Kulcz. & Pawl. |
Unresolved |
 |
TRO |
| Trapa muzzanensis var. europaea Tacik |
Synonym |
 |
TRO |
| Trapa natans L. |
Accepted |
 |
WCSP (in review) |
| Trapa natans var. amurensis (Flerow) Kom. |
Synonym |
 |
TRO |
| Trapa natans var. bispinosa (Roxb.) Makino |
Accepted |
 |
WCSP (in review) |
| Trapa natans var. incisa (Siebold & Zucc.) Makino |
Synonym |
 |
TRO |
| Trapa natans var. japonica Nakai |
Synonym |
 |
TRO |
| Trapa natans var. pumila Nakano ex Verdc. |
Synonym |
 |
TRO |
| Trapa natans f. quadrispinosa (Roxb.) Makino |
Synonym |
 |
TRO |
| Trapa natans var. quadrispinosa (Roxb.) Makino |
Synonym |
 |
TRO |
| Trapa nedoluzhkoi Pshenn. |
Unresolved |
 |
WCSP (in review) |
| Trapa numidica V.N.Vassil. |
Unresolved |
 |
WCSP (in review) |
| Trapa octotuberculata Miki |
Accepted |
 |
TRO |
| Trapa okensis P.Vassil. |
Unresolved |
 |
WCSP (in review) |
| Trapa pectinata V.N.Vassil. |
Unresolved |
 |
WCSP (in review) |
| Trapa potaninii V.N. Vassil. |
Synonym |
 |
TRO |
| Trapa pseudocolchica V.N.Vassil. |
Unresolved |
 |
WCSP (in review) |
| Trapa pseudoincisa Nakai |
Synonym |
 |
TRO |
| Trapa pseudoincisa var. aspinosa Z.T. Xiong |
Synonym |
 |
TRO |
| Trapa pseudoincisa var. complana Z.T. Xiong |
Synonym |
 |
TRO |
| Trapa pseudoincisa var. nanchangensis W.H. Wan |
Synonym |
 |
TRO |
| Trapa pseudoincisa var. potaninii (V.N. Vassil.) Tzvelev |
Synonym |
 |
TRO |
| Trapa pseudorossica P.Vassil. |
Unresolved |
 |
WCSP (in review) |
| Trapa pyramidalis V.N.Vassil. |
Unresolved |
 |
WCSP (in review) |
| Trapa quadricornis Stokes |
Unresolved |
 |
WCSP (in review) |
| Trapa quadrispinosa Roxb. |
Accepted |
 |
TRO |
| Trapa quadrispinosa var. yongxiuensis W.H. Wan |
Synonym |
 |
TRO |
| Trapa × raciborskii Jent.-Szaf. ex Tacik |
Unresolved |
 |
WCSP (in review) |
| Trapa rossica V.N. Vassil. |
Accepted |
 |
TRO |
| Trapa saissanica (Flerow) V.N. Vassil. |
Synonym |
 |
TRO |
| Trapa sajanensis P.Vassil. |
Unresolved |
 |
WCSP (in review) |
| Trapa septentrionalis V.N.Vassil. |
Unresolved |
 |
WCSP (in review) |
| Trapa sibirica Flerow |
Synonym |
 |
TRO |
| Trapa sibirica var. saissanica Flerow |
Synonym |
 |
TRO |
| Trapa sibirica var. ussuriensis Flerow |
Synonym |
 |
TRO |
| Trapa spryginii V.N.Vassil. |
Unresolved |
 |
WCSP (in review) |
| Trapa taiwanensis Nakai |
Synonym |
 |
TRO |
| Trapa tranzschelii V.N. Vassil. |
Synonym |
 |
TRO |
| Trapa tuberculifera V.N. Vassil. |
Synonym |
 |
TRO |
| Trapa turbinata P.Vassil. |
Unresolved |
 |
WCSP (in review) |
| Trapa ucrainica P.Vassil. |
Unresolved |
 |
WCSP (in review) |
| Trapa uncinata Z.S. Diao |
Unresolved |
 |
TRO |
| Trapa uralensis P.Vassil. |
Unresolved |
 |
WCSP (in review) |
| Trapa verbanensis De Not. |
Unresolved |
 |
WCSP (in review) |
| Trapa wolgensis P.Vassil. |
Unresolved |
 |
WCSP (in review) |