| Apiaceae Lindl. (Family) |
C | | | | I | | | | B | | details |
| Ligusticum L. (Genus) |
| | | | | | | | | | details |
| Ligusticum apiifolium (Nutt. ex Torr. & Gray) Gray (Species) |
| | | | | | | | | | details |
| Ligusticum calderi Mathias & Constance (Species) |
| | | | | | | | | | details |
| Ligusticum californicum Coult. & Rose (Species) |
| | | | | | | | | | details |
| Ligusticum canadense (L.) Britton (Species) |
| | | | | | | | | | details |
| Ligusticum canbyi Coult. & Rose (Species) |
| | | | | | | | | | details |
| Ligusticum cornubiense L. (Species) |
| | sC | | | | | | | sB | details |
| Ligusticum elatum C.B.Clarke (Species) |
| | | | | | | | B | | details |
| Ligusticum ferulaceum All. (Species) |
| | | | | | | | B | | details |
| Ligusticum filicinum S.Watson (Species) |
| | | | | | | | | | details |
| Ligusticum grayi Coult. & Rose (Species) |
| | | | | | | | | | details |
| Ligusticum haastii F.Muell. ex Hook.f. (Species) |
| | | | | | | | | sB | details |
| Ligusticum hultenii Fernald (Species) |
| | | | | | | | B | | details |
| Ligusticum lucidum Mill. (Species) |
| | | | | | | | B | sB | details |
| Ligusticum mutellina (L.) Crantz (Species) |
C | | | | I | | | | B | | details |
| Ligusticum mutellinoides (Crantz) Vill. (Species) |
C | | sC | | | | | | B | | details |
| Ligusticum nodiflorum Vill. (Species) |
| | | | | | | | | sB | details |
| Ligusticum porteri Coult. & Rose (Species) |
| | | | | | | | | | details |
| Ligusticum pyrenaeum Gouan (Species) |
| | | | | | | | B | sB | details |
| Ligusticum scoticum L. (Species) |
| | | | | | | | B | | details |
| Ligusticum seguierii Koch (Species) |
C | | | | | | | | | | details |
| Ligusticum seoticum L. (Species) |
C | | | | | | | | | | details |
| Ligusticum tenuifolium S.Watson (Species) |
| | | | | | | | | | details |
| Ligusticum tenuisectum H.Boissieu (Species) |
| | | | | | | | | | details |
| Ligusticum verticillatum (Hook.) Coult. & Rose ex Rose (Species) |
| | | | | | | | | | details |