Lacy Lomatium, Swale Desert-parsley, Swale Desert Parsley, Streambank Desert-parsley, Streambank Desert Parsley, Wyeth Biscuitroot, Wyeth Biscuit-root: Lomatium ambiguum (Synonyms: Cogswellia ambigua, Peucedanum ambiguum) -
Anomalous Biscuitroot, Broad Nineleaf Lomatium, Nineleaf Lomatium, Nine-leaved Desert Parsley, Nine-leaf Desert Parsley: Lomatium anomalum (Synonym: Lomatium triternatum var. anomalum) -
Brandegee's Lomatium, Brandegee's Desert-parsley: Lomatium brandegeei (Synonyms: Cynomarathrum brandegeei, Lomatium brandegei) -
Narrowfruit Biscuitroot, Narrowfruit Biscuit-root, Nineleaf Desert Parsley, Short-leaved Biscuit-root, Short-leaved Desert-parsley: Lomatium brevifolium (Synonyms: Lomatium triternatum var. alatum, Lomatium triternatum var. brevifolium, Lomatium triternatum var. macrocarpum) - Note: DNA testing suggests that most of the Lomatium triternatum var. triternatum in the western half of Oregon and Washington is potentially Lomatium brevifolium. Waiting upon both states to confirm or not implement that concept.
California Lomatium: Lomatium californicum -
Canby's Biscuitroot, Canby's Desert-parsley, Canby's Desert Parsley, Canby's Lomatium, Chucklusa: Lomatium canbyi (Synonyms: Cogswellia canbyi, Peucedanum canbyi) -
Columbia Desert Parsley, Columbia Gorge Desert-parsley, Columbia Lomatium, Purple Leptotaenia, Purple Lomatium: Lomatium columbianum (Synonym: Leptotaenia purpurea) -
Cous, Cous Biscuitroot, Cous Biscuit-root, Cous-root Desert-parsley: Lomatium cous (Synonyms: Lomatium circumdatum, Lomatium montanum) -
Wenatchee Biscuit-root, Wenatchee Desert-parsley, Wenatchee Mountain Lomatium: Lomatium cuspidatum (Synonym: Leptotaenia watsoni) -
Fernleaf Biscuitroot, Fernleaf Desert Parsley, Fern-leaf Desert Parsley, Fern-leaved Desert Parsley, Fernleaf Lomatium: Lomatium dissectum var. dissectum (Synonyms: Leptotaenia dissecta, Leptotaenia foliosa var. dissecta, Lomatium dissectum) -
Carrotleaf Desert Parsley, 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 dissectum var. multifidum) -
Geyer's Biscuitroot, Geyer's Desert-parsley, Geyer's Lomatium: Lomatium geyeri (Synonym: Orogenia fusiformis var. leibergii, Orogenia leibergii, Peucedanum evittatum) -
Gorman's Biscuitroot, Gorman's Desert Parsley, Gorman's Lomatium, Salt and Pepper: Lomatium gormanii -
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 -
Knoke's Biscuit-root, Knoke's Desert-parsley, Knoke's Lomatium: Lomatium knokei -
Gumbo Lomatium, Gumbo-lomatium, Slender-fruited Desert Parsley, Wasatch Desertparsley, Wasatch desert-parsley: Lomatium leptocarpum (Synonyms: Lomatium ambiguum ssp. leptocarpum, Lomatium ambiguum var. leptocarpum, Lomatium bicolor, Lomatium bicolor var. leptocarpum, Peucedanum bicolor var. gumbonis, Peucedanum leptocarpum, Peucedanum nuttallii var. leptocarpum, Peucedanum triternatum var. leptocarpum) -
Great Basin Indian Potato, Great Plains Orogenia, Linear-leaved Orogenia, Linear-leaved Turkey Pea: Lomatium linearifolia (Synonyms: Orogenia linearifolia, Orogenia linearifolia var. lata) - This is considered as Orogenia linearifolia in Oregon.
California Indian Potato, Linear-leaved Biscuit-root, Linear-leaved Desert Parsley, Linear-leaved Lomatium, Mountain Orogenia, Turkey Pea, Turkey Potato: Lomatium linearifolium (Synonyms: Lomatium fusiformis, Orogenia fusiformis) - This is considered as Orogenia fusiformis in Oregon.
Hoover's Umbrellawort, Hoover's Umbrella-wort, Hoover's Tauschia: Lomatium lithosolamans (Synonym: Tauschia hooveri) -
Biscuitroot, Large-fruited Lomatium, Bigseed Biscuitroot, Large-fruit Desert-parsley, Bigseed Lomatium: Lomatium macrocarpum (Synonyms: Cogswellia macrocarpa, Ferula macrocarpa, Lomatium flavum, Lomatium macrocarpum var. artemisiarum, Lomatium macrocarpum var. ellipticum, Peucedanum macrocarpum) -
Cascade Desert Parsley, Coast Range Lomatium, Few-fruited Desert Parsley, Martindale's Desert Parsley: Lomatium martindalei (Synonyms: Cogsellia martindalei, Lomatium angustatum, Lomatium martindalei var. angustatum, Lomatium martindalei var. flavum, Lomatium martindalei var. martindalei, Peucedanum martindalei var. angustatum) -
Barestem Desert Parsley, Barestem Lomatium, Barestem Biscuitroot, Indian-consumption-plant, Pestle Parsnip: Lomatium nudicaule (Synonyms: Cogswellia nudicaulis, Lomatium platyphyllum) -
Butterfly-bearing Biscuitroot, Butterfly-bearing Desert-parsley, Gray's Biscuitroot, Gray's Lomatium, Milfoil Lomatium, Pungent Desert Parsley: Lomatium papilioniferum (Synonyms: Lomatium grayi, Lomatium grayi var. grayi) -
Indian Biscuit-root, Piper's Desert Parsley, Piper's Lomatium, Salt-and-pepper: Lomatium piperi (Synonym: Cogswellia piperi) -
Rone's Biscuit-root, Rone's Desert-parsley: Lomatium roneorum -
Broad-fruit Desert Parsley, Broad-fruit Lomatium, 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) -
Thompson's Desert Parsley: Lomatium thompsonii (Synonym: Lomatium suksdorfii var. thompsonii) -
Nineleaf Biscuitroot, Nine-leaf Lomatium: Lomatium triternatum var. triternatum (Synonyms: Lomatium simplex var. leptophyllum, Lomatium triternatum var. alatum, Lomatium triternatum var. macrocarpum, Lomatium triternatum ssp. triternatum) - This is now considered as Lomatium triternatum in both Washington and Oregon.
Common Lomatium, Fine-leaved Desert Parsley, Pomocelery Lomatium, Spring Gold: Lomatium utriculatum (Synonyms: Lomatium utriculatum var. anthemifolium, Lomatium utriculatum var. glabrum, Lomatium utriculatum var. utriculatum) -
Broadsheath Desert Parsley, Broad-sheath Desert Parsley, Broad-sheath Lomatium: Lomatium vaginatum (Synonym: Lomatiun utriculatum var. papillatum) -
Watson's Biscuit-root, Watson's Desert-parsley, Watson's Desert Parsley, Watson's Lomatium: Lomatium watsonii (Synonym: Lomatium frenchii) -