Anomalous Biscuit-root, Broad Nineleaf Lomatium, Nineleaf Biscuitroot, Nine-leaved Biscuit-root: Lomatium anomalum (Synonym: Lomatium triternatum var. anomalum) -
Bradshaw's Biscuit-root, Bradshaw's Desert Parsley, Bradshaw's Desert-parsley, Bradshaw's Lomatium: Lomatium bradshawii (Synonym: Leptotaenia bradshawii) -
Narrowfruit Biscuit-root, Short-leaved biscuit-root, Short-leaved Desert-parsley: Lomatium brevifolium (Synonyms: Lomatium triternatum var. alatum, Lomatium triternatum var. brevifolium, Lomatium triternatum var. macrocarpum) -
California Lomatium: Lomatium californicum -
Agate Desert Parlsey, Cook's Lomatium: Lomatium cookii -
Cous, Cous Biscuitroot, Cous-root Desert-parsley: Lomatium cous (Synonyms: Lomatium circumdatum, Lomatium montanum) -
Fernleaf Lomatium, Fernleaf Desert Parsley, Fern-leaf Biscuitroot, Fern-leaved Desert-parsley: Lomatium dissectum var. dissectum (Synonyms: Leptotaenia dissecta, Leptotaenia foliosa var. dissecta, Lomatium dissectum) -
Carrotleaf Biscuit Root, Fernleaf Desert Parsley, Fern-leaved Biscuit-root, Fern-leaved Desert-parsley, Fern-leaved Lomatium: Lomatium dissectum var. multifidum (Synonyms: Leptotaenia multifida, Lomatium dissectum var. eatonii, Lomatium mutlifidum) -
Engelmann's Desert Parsley, Engelmann's Lomatium: Lomatium engelmannii -
Canyon Desert Parsley, Hall's Biscuitroot, Hall's Lomatium: Lomatium hallii (Synonym: Lomatium nelsonianum) -
Henderson's Biscuitroot, Henderson's Desert Parsley, Henderson's Lomatium, John Day Lomatium: Lomatium hendersonii -
Howell's Desert Parsley: Lomatium howellii -
Slickrock Desert-parsley, Smooth Biscuit-root, Smooth Desert Parsley, Smooth Lomatium: Lomatium laevigatum
Bigseed Biscuitroot, Bigseed Lomatium, Biscuit Root, Large-fruit Desert-parsley, Large-fruited Lomatium: Lomatium macrocarpum (Synonyms: Lomatium artemisiarum, Lomatium ellipticum, Lomatium macrocarpum var. artemisiarum, Lomatium macrocarpum var. ellipticum, Lomatium macrocarpum var. semivittatum) -
Cascade Biscuit-root, Cascade Desert-parsley, Cascade Desert Parsley, Cascade Desert-parsley, Coast Range Lomatium: Lomatium martindalei (Synonyms: Cogswellia martindalei, Lomatium angustatum, Lomatium angustatum var. flavum, Lomatium martindalei var. angustatum, Lomatium martindalei var. flavum, Lomatium martindalei var. martindalei, Peucedanum martindalei var. angustatum) -
Barestem Biscuitroot, Barestem Lomatium, Bare-stemmed Biscuit-root, Indian-consumption-plant, Pestle Parsnip: Lomatium nudicaule (Synonyms: Cogswellia nudicaulis, Lomatium platyphyllum) -
Butterfly-bearing Biscuitroot, Butterfly-bearing Desert-parsley: Lomatium papilioniferum (Synonyms: Lomatium grayi, Lomatium grayi var. grayi) -
Indian Biscuit-root, Piper's Biscuit-root, Piper's Desert Parsley, Salt and Pepper: Lomatium piperi (Synonym: Cogswellia piperi) -
Great Basin Desert-parsley, Nine-leaf Biscuit-root, Nine-leaf Desert-parsley: Lomatium simplex (Synonyms: Lomatium platycarpum, Lomatium simplex var. leptophyllum, Lomatium simplex var. simplex, Lomatium triternatum ssp. platycarpum) -
Nineleaf Biscuitroot, Nineleaf Desert Parsley: Lomatium triternatum (Synonyms: Lomatium simplex var. leptophyllum, Lomatium triternatum ssp. triternatum, Lomatium triternatum var. triternatum) - Plants west of the Cascades may all end up as Lomatium brevifolium. More genetic work needs to be performed.
Bladder Desert-parsley, Common Biscuit-root, Common Lomatium, Fine-leaved Desert Parsley, Pomocelery Lomatium, Pomo-celery Lomatium, Spring Gold: Lomatium utriculatum (Synonyms: Lomatium utriculatum var. anthemifolium, Lomatium utriculatum var. glabrum, Lomatium utriculatum var. utriculatum, Lomatium vaseyi) -