| Trillium angustipetalum (Torr.) J. D. Freeman |
Accepted |
5 |
| Trillium apetalon Makino |
Accepted |
10 |
| Trillium camschatcense K. Gawl. |
Accepted |
5 |
| Trillium cernuum L. |
Accepted |
5 |
| Trillium channellii Fukuda & J. D. Freeman & Itou |
Accepted |
10 |
| Trillium chloropetalum (Torr.) Howell |
Accepted |
5 |
| Trillium cuneatum Raf. |
Accepted |
5 |
| Trillium decipiens J. D. Freeman |
Accepted |
5 |
| Trillium decumbens Harb. |
Accepted |
5 |
| Trillium discolor Hook. |
Accepted |
5 |
| Trillium erectum L. |
Accepted |
5 |
| Trillium flexipes Raf. |
Accepted |
5 |
| Trillium govanianum Wall. ex D. Don |
Accepted |
10 |
| Trillium grandiflorum (Michx.) Salisb. |
Accepted |
5 |
| Trillium lancifolium Raf. |
Accepted |
5 |
| Trillium luteum (Muhl.) Harb. |
Accepted |
5 |
| Trillium nivale Riddell |
Accepted |
5 |
| Trillium ovatum Pursh |
Accepted |
5 |
| Trillium parviflorum V. G. Soukup |
Accepted |
5 |
| Trillium petiolatum Pursh |
Accepted |
5 |
| Trillium pusillum Michx. |
Accepted |
5 |
| Trillium pusillum var. virginianum Fernald |
Accepted |
5 |
| Trillium recurvatum L. C. Beck |
Accepted |
5 |
| Trillium rugelii Rendle |
Accepted |
5 |
| Trillium sessile L. |
Accepted |
5 |
| Trillium smallii Maxim. |
Accepted |
15 |
| Trillium stamineum Harb. |
Accepted |
5 |
| Trillium sulcatum T. S. Patrick |
Accepted |
5 |
| Trillium tschonoskii Maxim. |
Accepted |
10 |
| Trillium undulatum Willd. |
Accepted |
5 |
| Trillium vaseyi Harb. |
Accepted |
5 |
| Trillium viride L. C. Beck |
Accepted |
5 |
| Trillium × hagae Miyabe & Tatew. |
Accepted |
15 |
| Trillium rhombifolium Raf. |
Unresolved |
15 |
| Trillium ×hagae Miyabe & Tatew. |
Unresolved |
15 |
| Trillium rivale S. Watson |
Synonym of Pseudotrillium rivale (S. Watson) S. B. Farmer |
5 |
| Trillium camschatcense None |
Synonym of Trillium camschatcense K. Gawl. |
5 |
| Trillium kamtschaticum Pall. ex Pursh |
Synonym of Trillium camschatcense K. Gawl. |
5 |
| Trillium stylosum Nutt. |
Synonym of Trillium catesbaei Elliott |
5 |
| Trillium cernuum var. macranthum Eames & Wiegand |
Synonym of Trillium cernuum L. |
5 |
| Trillium chloropetalum var. chloropetalum |
Synonym of Trillium chloropetalum (Torr.) Howell |
5 |
| Trillium declinatum Gleason |
Synonym of Trillium flexipes Raf. |
5 |
| Trillium gleasonii Fernald |
Synonym of Trillium flexipes Raf. |
5 |
| Trillium govanianum Wall. |
Synonym of Trillium govanianum Wall. ex D. Don |
10 |
| Trillium ovatum subsp. ovatum |
Synonym of Trillium ovatum Pursh |
5 |
| Trillium pusillum |
Synonym of Trillium pusillum Michx. |
5 |
| Trillium pusillum var. monticulum Bodkin & Reveal |
Synonym of Trillium pusillum var. virginianum Fernald |
5 |
| Trillium longiflorum Raf. |
Synonym of Trillium sessile L. |
5 |
| Trillium amabile Miyabe & Tatew. |
Synonym of Trillium smallii Maxim. |
15 |
| Trillium tschonoskii |
Synonym of Trillium tschonoskii Maxim. |
10 |
| Trillium tschonoskii None |
Synonym of Trillium tschonoskii Maxim. |
10 |
| Trillium tschonoskii var. himalaicum H. Hara |
Synonym of Trillium tschonoskii Maxim. |
10 |
| Trillium à hagae None |
Synonym of Trillium à hagae Miyabe & Tatew. |
15 |
| Trillium à miyabeanum None |
Synonym of Trillium à miyabeanum Tatew. ex J. Samej. |
10 |
| Trillium à yezoense None |
Synonym of Trillium à yezoense Tatew. ex J. Samej. |
None |
| Trillium × hagae |
Synonym of Trillium × hagae Miyabe & Tatew. |
15 |
| Trillium × hagae Miyabe & T. (X) |
Synonym of Trillium × hagae Miyabe & Tatew. |
15 |
| Trillium × hagae Miyabe & Tatewaki |
Synonym of Trillium × hagae Miyabe & Tatew. |
15 |
| Trillium × miyabeanum T. (X) |
Synonym of Trillium × miyabeanum Tatew. ex J. Samej. |
10 |
| Trillium × yezoense T. (X) |
Synonym of Trillium × yezoense Tatew. ex J. Samej. |
None |
| Trillium × yezoense Tatew. |
Synonym of Trillium × yezoense Tatew. ex J. Samej. |
None |