- Angelica archangelica — Norwegian angelica
- Angelica arguta — Lyall's angelica
- Angelica atropurpurea — great angelica
- Angelica dawsonii — Dawson's angelica
- Angelica genuflexa — kneeling angelica
- Angelica laurentiana — St. Lawrence angelica
- Angelica lucida — seacoast angelica
- Angelica venenosa — hairy angelica
- Berula erecta — wild parsnip
- Bupleurum americanum — American thorowax
- Chaerophyllum procumbens — spreading chervil
- Chaerophyllum tainturieri — Tainturier's chervil
- Cicuta bulbifera — bulb-bearing water-hemlock
- Cicuta douglasii — western water-hemlock
- Cicuta maculata — spotted water-hemlock
- Cicuta virosa — MacKenzie's water-hemlock
- Cnidium cnidiifolium — Jakutsk snow parsley
- Conioselinum chinense — Chinese hemlock-parsley
- Conioselinum gmelinii — western hemlock-parsley
- Cryptotaenia canadensis — Canada honewort
- Cymopterus acaulis — plains wavewing
- Daucus pusillus — southwestern carrot
- Erigenia bulbosa — harbinger-of-spring
- Glehnia littoralis — American glehnia
- Heracleum maximum — cow-parsnip
- Hydrocotyle americana — American water-pennywort
- Hydrocotyle umbellata — many-flowered pennywort
- Hydrocotyle verticillata — whorled pennywort
- Ligusticum calderi — Calder's lovage
- Ligusticum canbyi — Canby's wild lovage
- Ligusticum scoticum — Scotch lovage
- Ligusticum verticillatum — Idaho lovage
- Lilaeopsis chinensis — eastern lilæopsis
- Lilaeopsis occidentalis — western lilæopsis
- Lomatium ambiguum — streambank desert-parsley
- Lomatium brandegeei — Brandegee's desert-parsley
- Lomatium cous — cousroot desert-parsley
- Lomatium dissectum — fernleaf desert-parsley
- Lomatium foeniculaceum — carrotleaf desert-parsley
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- Lomatium geyeri — Geyer's desert-parsley
- Lomatium grayi — mountain desert-parsley
- Lomatium macrocarpum — largefruit desert-parsley
- Lomatium martindalei — coast range lomatium
- Lomatium nudicaule — nakedstem desert-parsley
- Lomatium orientale — Oriental desert-parsley
- Lomatium sandbergii — Sandberg's desert-parsley
- Lomatium simplex — umbrella desert-parsley
- Lomatium triternatum — ternate desert-parsley
- Lomatium utriculatum — foothill desert-parsley
- Musineon divaricatum — wild parsley
- Oenanthe sarmentosa — water-parsley
- Osmorhiza berteroi — Chilean sweet-cicely
- Osmorhiza claytonii — hairy sweet-cicely
- Osmorhiza depauperata — bluntfruit sweet-cicely
- Osmorhiza longistylis — smoother sweet-cicely
- Osmorhiza occidentalis — western sweet-cicely
- Osmorhiza purpurea — purple sweet-cicely
- Oxypolis occidentalis — western cowbane
- Oxypolis rigidior — stiff cowbane
- Perideridia gairdneri — Gairdner's yampah
- Podistera macounii — Macoun's podistera
- Podistera yukonensis — Yukon podistera
- Sanicula arctopoides — bear's-foot sanicle
- Sanicula bipinnatifida — purple black snakeroot
- Sanicula canadensis — short-styled sanicle
- Sanicula crassicaulis — Pacific black snakeroot
- Sanicula graveolens — sierra sanicle
- Sanicula marilandica — Maryland black snakeroot
- Sanicula odorata — clustered black snakeroot
- Sanicula trifoliata — large-fruited sanicle
- Sium suave — hemlock water-parsnip
- Taenidia integerrima — yellow pimpernel
- Thaspium barbinode — hairyjoint meadow-parsnip
- Thaspium trifoliatum — purple meadow-parsnip
- Yabea microcarpa — California hedge-parsley
- Zizia aptera — golden alexanders
- Zizia aurea — common alexanders
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