| Lomatium lucidum (Nutt. ex Torr. & A. Gray) Jeps. | | a | | Lomatium lucidum(Nutt. ex Torr. & A. Gray) Jeps. | |
| Lomatium simplex (Nutt. ex S. Watson) J. F. Macbr. var. leptophyllum (Hook.) Mathias | Lomatium triternatum (Pursh) J. M. Coult. & Rose subsp. triternatum | | i | Lomatium simplex(Nutt. ex S. Watson) J. F. Macbr. var.leptophyllum (Hook.) Mathias | Lomatium triternatum(Pursh) J. M. Coult. & Rose subsp. triternatum |
| Lomatium dissectum (Nutt.) Mathias & Constance | | a | | Lomatium dissectum(Nutt.) Mathias & Constance | |
| Lomatium geyeri (S. Watson) J. M. Coult. & Rose | | a | | Lomatium geyeri(S. Watson) J. M. Coult. & Rose | |
| Lomatium simplex (Nutt. ex S. Watson) J. F. Macbr. | Lomatium triternatum (Pursh) J. M. Coult. & Rose subsp. platycarpum (Torr.) Cronquist | | | Lomatium simplex(Nutt. ex S. Watson) J. F. Macbr. | Lomatium triternatum(Pursh) J. M. Coult. & Rose subsp. platycarpum (Torr.) Cronquist |
| Lomatium spp. | | a | | Lomatium spp. | |
| Lomatium bradshawii (Rose) Mathias & Constance | | a | | Lomatium bradshawii(Rose) Mathias & Constance | |
| Lomatium cookii Kagan | | a | | Lomatium cookiiKagan | |
| Lomatium erythrocarpum Meinke & Constance | | a | | Lomatium erythrocarpumMeinke & Constance | |
| Lomatium macrocarpum (Nutt. ex Torr. & A. Gray) J. M. Coult. & Rose | | a | | Lomatium macrocarpum(Nutt. ex Torr. & A. Gray) J. M. Coult. & Rose | |
| Lomatium ambiguum (Nutt.) J. M. Coult. & Rose | | a | | Lomatium ambiguum(Nutt.) J. M. Coult. & Rose | |
| Lomatium triternatum (Pursh) J. M. Coult. & Rose subsp. platycarpum (Torr.) Cronquist | | a | i | Lomatium triternatum(Pursh) J. M. Coult. & Rose subsp. platycarpum (Torr.) Cronquist | |
| Lomatium bicolor (S. Watson) J. M. Coult. & Rose var. leptocarpum (Torr. & A. Gray) Schlessman | | a | i | Lomatium bicolor(S. Watson) J. M. Coult. & Rose var.leptocarpum (Torr. & A. Gray) Schlessman | |
| Lomatium californicum (Nutt. ex Torr. & A. Gray) Mathias & Constance | | a | | Lomatium californicum(Nutt. ex Torr. & A. Gray) Mathias & Constance | |
| Lomatium grayi (J. M. Coult. & Rose) J. M. Coult. & Rose | | a | | Lomatium grayi(J. M. Coult. & Rose) J. M. Coult. & Rose | |
| Lomatium nudicaule (Pursh) J. M. Coult. & Rose | | a | | Lomatium nudicaule(Pursh) J. M. Coult. & Rose | |
| Lomatium nuttallii (A. Gray) J. F. Macbr. | | a | | Lomatium nuttallii(A. Gray) J. F. Macbr. | |
| Lomatium bicolor (S. Watson) J. M. Coult. & Rose | | a | | Lomatium bicolor(S. Watson) J. M. Coult. & Rose | |
| Lomatium foeniculaceum (Nutt.) J. M. Coult. & Rose | | a | | Lomatium foeniculaceum(Nutt.) J. M. Coult. & Rose | |
| Lomatium parvifolium (Hook. & Arn.) Jeps. | | a | | Lomatium parvifolium(Hook. & Arn.) Jeps. | |
| Lomatium utriculatum (Nutt.) J. M. Coult. & Rose | | a | | Lomatium utriculatum(Nutt.) J. M. Coult. & Rose | |
| Lomatium leptocarpum (Torr. & A. Gray) J. M. Coult. & Rose | Lomatium bicolor (S. Watson) J. M. Coult. & Rose var. leptocarpum (Torr. & A. Gray) Schlessman | | | Lomatium leptocarpum(Torr. & A. Gray) J. M. Coult. & Rose | Lomatium bicolor(S. Watson) J. M. Coult. & Rose var.leptocarpum (Torr. & A. Gray) Schlessman |
| Lomatium triternatum (Pursh) J. M. Coult. & Rose | | a | | Lomatium triternatum(Pursh) J. M. Coult. & Rose | |
| Lomatium triternatum (Pursh) J. M. Coult. & Rose subsp. triternatum | | a | i | Lomatium triternatum(Pursh) J. M. Coult. & Rose subsp. triternatum | |
| Lomatium orientale J. M. Coult. & Rose | | a | | Lomatium orientaleJ. M. Coult. & Rose | |
| Lomatium canbyi (J. M. Coult. & Rose) J. M. Coult. & Rose | | a | | Lomatium canbyi(J. M. Coult. & Rose) J. M. Coult. & Rose | |
| Lomatium farinosum (Geyer ex Hook.) J. M. Coult. & Rose | | a | | Lomatium farinosum(Geyer ex Hook.) J. M. Coult. & Rose | |
| Lomatium farinosum (Geyer ex Hook.) J. M. Coult. & Rose var. farinosum | | a | i | Lomatium farinosum(Geyer ex Hook.) J. M. Coult. & Rose var.farinosum | |
| Lomatium farinosum (Geyer ex Hook.) J. M. Coult. & Rose var. hambleniae (Mathias & Constance) Schlessman | | a | i | Lomatium farinosum(Geyer ex Hook.) J. M. Coult. & Rose var.hambleniae (Mathias & Constance) Schlessman | |
| Lomatium hambleniae Mathias & Constance | Lomatium farinosum (Geyer ex Hook.) J. M. Coult. & Rose var. hambleniae (Mathias & Constance) Schlessman | | | Lomatium hambleniaeMathias & Constance | Lomatium farinosum(Geyer ex Hook.) J. M. Coult. & Rose var.hambleniae (Mathias & Constance) Schlessman |
| Lomatium bicolor (S. Watson) J. M. Coult. & Rose var. bicolor | | a | i | Lomatium bicolor(S. Watson) J. M. Coult. & Rose var.bicolor | |
| Lomatium nevadense (S. Watson) J. M. Coult. & Rose | | a | | Lomatium nevadense(S. Watson) J. M. Coult. & Rose | |
| Lomatium brandegeei (J. M. Coult. & Rose) J. F. Macbr. | | a | | Lomatium brandegeei(J. M. Coult. & Rose) J. F. Macbr. | |
| Lomatium quintuplex Schlessman & Constance | | a | | Lomatium quintuplexSchlessman & Constance | |
| Lomatium martindalei (J. M. Coult. & Rose) J. M. Coult. & Rose | | a | | Lomatium martindalei(J. M. Coult. & Rose) J. M. Coult. & Rose | |
| Lomatium dissectum (Nutt.) Mathias & Constance var. dissectum | | a | i | Lomatium dissectum(Nutt.) Mathias & Constance var.dissectum | |
| Lomatium dissectum (Nutt.) Mathias & Constance var. multifidum (Nutt.) Mathias & Constance | | a | i | Lomatium dissectum(Nutt.) Mathias & Constance var.multifidum (Nutt.) Mathias & Constance | |
| Lomatium greenmanii Mathias | | a | | Lomatium greenmaniiMathias | |
| Lomatium triternatum (Pursh) J. M. Coult. & Rose subsp. triternatum var. triternatum | | a | i | Lomatium triternatum(Pursh) J. M. Coult. & Rose subsp. triternatum var.triternatum | |
| Lomatium triternatum (Pursh) J. M. Coult. & Rose subsp. triternatum var. anomalum (M. E. Jones ex J. M. Coult. & Rose) Mathias | | a | i | Lomatium triternatum(Pursh) J. M. Coult. & Rose subsp. triternatum var.anomalum (M. E. Jones ex J. M. Coult. & Rose) Mathias | |
| Lomatium anomalum M. E. Jones ex J. M. Coult. & Rose | Lomatium triternatum (Pursh) J. M. Coult. & Rose subsp. triternatum var. anomalum (M. E. Jones ex J. M. Coult. & Rose) Mathias | | | Lomatium anomalumM. E. Jones ex J. M. Coult. & Rose | Lomatium triternatum(Pursh) J. M. Coult. & Rose subsp. triternatum var.anomalum (M. E. Jones ex J. M. Coult. & Rose) Mathias |
| Lomatium triternatum (Pursh) J. M. Coult. & Rose var. macrocarpum (J. M. Coult. & Rose) Mathias | Lomatium triternatum (Pursh) J. M. Coult. & Rose subsp. triternatum var. triternatum | | i | Lomatium triternatum(Pursh) J. M. Coult. & Rose var.macrocarpum (J. M. Coult. & Rose) Mathias | Lomatium triternatum(Pursh) J. M. Coult. & Rose subsp. triternatum var.triternatum |
| Lomatium austiniae (J. M. Coult. & Rose) J. M. Coult. & Rose | | a | | Lomatium austiniae(J. M. Coult. & Rose) J. M. Coult. & Rose | |
| Lomatium plummerae (J. M. Coult. & Rose) J. M. Coult. & Rose | Lomatium donnellii (J. M. Coult. & Rose) J. M. Coult. & Rose | | | Lomatium plummerae(J. M. Coult. & Rose) J. M. Coult. & Rose | Lomatium donnellii(J. M. Coult. & Rose) J. M. Coult. & Rose |
| Lomatium donnellii (J. M. Coult. & Rose) J. M. Coult. & Rose | | a | | Lomatium donnellii(J. M. Coult. & Rose) J. M. Coult. & Rose | |
| Lomatium latilobum (Rydb.) Mathias | | a | | Lomatium latilobum(Rydb.) Mathias | |
| Lomatium graveolens (S. Watson) Dorn & R. L. Hartm. | | a | | Lomatium graveolens(S. Watson) Dorn & R. L. Hartm. | |
| Lomatium graveolens (S. Watson) Dorn & R. L. Hartm. var. graveolens | | a | i | Lomatium graveolens(S. Watson) Dorn & R. L. Hartm. var.graveolens | |
| Lomatium graveolens (S. Watson) Dorn & R. L. Hartm. var. alpinum (S. Watson) Dorn & R. L. Hartm. | | a | i | Lomatium graveolens(S. Watson) Dorn & R. L. Hartm. var.alpinum (S. Watson) Dorn & R. L. Hartm. | |
| Lomatium tracyi Mathias & Constance | | a | | Lomatium tracyiMathias & Constance | |
| Lomatium grayi (J. M. Coult. & Rose) J. M. Coult. & Rose var. grayi | | a | i | Lomatium grayi(J. M. Coult. & Rose) J. M. Coult. & Rose var.grayi | |
| Lomatium grayi (J. M. Coult. & Rose) J. M. Coult. & Rose var. depauperatum (M. E. Jones) Mathias | | a | i | Lomatium grayi(J. M. Coult. & Rose) J. M. Coult. & Rose var.depauperatum (M. E. Jones) Mathias | |
| Lomatium cous (S. Watson) J. M. Coult. & Rose | | a | | Lomatium cous(S. Watson) J. M. Coult. & Rose | |
| Lomatium vaginatum J. M. Coult. & Rose | | a | | Lomatium vaginatumJ. M. Coult. & Rose | |
| Lomatium suksdorfii (S. Watson) J. M. Coult. & Rose | | a | | Lomatium suksdorfii(S. Watson) J. M. Coult. & Rose | |
| Lomatium dasycarpum (Torr. & A. Gray) J. M. Coult. & Rose | | a | | Lomatium dasycarpum(Torr. & A. Gray) J. M. Coult. & Rose | |
| Lomatium dasycarpum (Torr. & A. Gray) J. M. Coult. & Rose subsp. tomentosum (Benth.) W. L. Theob. | | a | i | Lomatium dasycarpum(Torr. & A. Gray) J. M. Coult. & Rose subsp. tomentosum (Benth.) W. L. Theob. | |
| Lomatium dasycarpum (Torr. & A. Gray) J. M. Coult. & Rose subsp. dasycarpum | | a | i | Lomatium dasycarpum(Torr. & A. Gray) J. M. Coult. & Rose subsp. dasycarpum | |
| Lomatium simplex (Nutt. ex S. Watson) J. F. Macbr. var. simplex | Lomatium triternatum (Pursh) J. M. Coult. & Rose subsp. platycarpum (Torr.) Cronquist | | i | Lomatium simplex(Nutt. ex S. Watson) J. F. Macbr. var.simplex | Lomatium triternatum(Pursh) J. M. Coult. & Rose subsp. platycarpum (Torr.) Cronquist |
| Lomatium shevockii R. L. Hartm. & Constance | | a | | Lomatium shevockiiR. L. Hartm. & Constance | |