Lomatium dissectum is a species of flowering plant in the carrot family known by the common names fernleaf biscuitroot and fernleaf desert parsley. It is native to much of western North America, where it grows in varied habitat. It is found in the eastern slopes of the Cascade Range, Rocky Mountains, Klamath Mountains, eastern Transverse Ranges and the Sierra Nevada in California.
Lomatium macrocarpum is a perennial flowering plant in the carrot family known by the common names bigseed lomatium, biscuit root or bigseed biscuitroot. It is native to much of western North America, where it can be found in various types of habitat, including the grasslands of the Great Plains, and particularly in rocky areas. It is a spreading or erect perennial herb growing up to about half a meter long with hairy, gray-green herbage. The grayish basal leaves are up to about 24 centimetres (9.4 in) long and are intricately divided into many small, narrow segments. The inflorescence bears an umbel of yellowish, greenish, purplish, or white flowers, growing from a lateral stem. The fruit is a compressed, winged, round or oval disc up to about 2 cm long.
Lomatium nudicaule is a species of flowering plant in the carrot family known by the common names pestle lomatium, barestem biscuitroot, Indian celery and Indian consumption plant. It is native to western North America from British Columbia to California to Utah, where it is known from several habitat types, including forest and woodland. It is a perennial herb growing up to about 70 centimetres (28 in) tall from a thick taproot. It generally lacks a stem, the inflorescence and leaves emerging from ground level. The leaves are made up of many dull green, waxy lance-shaped leaflets each up to 9 cm long. The inflorescence is borne on a stout, leafless peduncle widening at the top where it blooms in an umbel of yellow or purplish flowers.
Lomatium parryi, commonly known as Parry's biscuitroot and Utah desertparsley, is a perennial herb in the carrot family. It is a common herb in high altitude areas of deserts and common in desert National parks, such as Death Valley mountains, in the western part of the United States.
Lomatium salmoniflorum is a perennial herb native to the northwest United States. In February and March one to nineteen umbels bloom, each with up to 300 flowers. Each flower is either strictly staminate or hermaphroditic. It has glabrous leaves that are deeply dissected into narrow blades.
Lomatium ambiguum, also known as Wyeth biscuitroot, is a perennial herb of the family Apiaceae that grows in the northwestern United States and into British Columbia in dry areas. The leaves are divided into many blades, and stems can be slightly purple and are 6–24 cm tall. Yellow flowers in compound umbels appear from late April to June.
Lomatium canbyi is a species of flowering plant in the carrot family known by the common name Canby's biscuitroot. It is native to the Pacific Northwest of the United States and northeast California, where it grows in sagebrush-covered plateau habitat and barren flats.
Lomatium foeniculaceum is a species of flowering plant in the carrot family known by the common name desert biscuitroot. It is native to much of western and central North America, where it grows in many types of habitat.
Lomatium grayi, commonly known as Gray's biscuitroot, Gray's desert parsley, or pungent desert parsley, is a perennial herb of the family Apiaceae. It is native to Western Canada in British Columbia, and the Western United States, including from the Eastern Cascades and northeastern California to the Rocky Mountains.
Lomatium howellii is an uncommon species of flowering plant in the carrot family known by the common name Howell's biscuitroot, or Howell's lomatium. It is native to the Klamath Mountains of southern Oregon and northern California, where it is a member of the local serpentine soils flora.
Lomatium lucidum is a species of flowering plant in the carrot family known by the common name shiny biscuitroot. It is native to coastal mountains and canyons of southern California and Baja California, where it is a member of the chaparral plant community, including recently burned areas. It is found in the eastern Transverse Ranges and the South Coast region.
Lomatium nevadense is a species of flowering plant in the carrot family known by the common name Nevada biscuitroot. It is native to the western United States and northern Mexico, where it is known from several different habitat types, including sagebrush and woodlands. It is a perennial herb growing up to about 45 centimeters tall from a taproot. The leaves are up to about 16 centimeters long, their blades divided into many oblong pointed segments. The inflorescence is an umbel of white or cream flowers.
Lomatium parvifolium is an uncommon species of flowering plant in the carrot family known by the common names coastal biscuitroot and small-leaved lomatium. It is endemic to California, where it is known only from the Central Coast and central California Coast Ranges. It grows in pine forests and other habitat on serpentine soils.
Lomatium piperi is a species of flowering plant in the carrot family known by the common name salt-and-pepper or Indian biscuitroot. It is native to the Northwestern United States and northern California, where it grows in sagebrush and plateau habitat, and the Sierra Nevada and Cascade Mountains.
Lomatium repostum is an uncommon species of flowering plant in the carrot family known by the common name Napa biscuitroot, or Napa lomatium. It is endemic to California, where it is known only from the northrthern California Coast Ranges surrounding the northern San Francisco Bay Area. It often grows in plant communities on serpentine soils.
Lomatium rigidum is a species of flowering plant in the carrot family known by the common names Big Pine biscuitroot and stiff lomatium. It is endemic to Inyo County, California, where it is known only from the wilderness around the Big Pine area of the Owens Valley.
Lomatium torreyi is a species of flowering plant in the carrot family known by the common name Sierra biscuitroot. It is endemic to the Sierra Nevada of California, where it grows in the forests of the high mountains.
Lomatium latilobum is a species of flowering plant in the carrot family known by the common names Canyonlands lomatium and Canyonlands biscuitroot. It is native to an area straddling the border between Utah and Colorado in the United States, where several of its few occurrences are within Arches National Park and Colorado National Monument.
Lomatium orientale, commonly known as salt-and-pepper, eastern cous, eastern desert-parsley, eastern lomatium, white-flowered desert-parsley, oriental desert parsley or Northern Idaho biscuitroot, is a small spring blooming ephemeral plant. It grows in open habitats from the plains to foothills in western North America. It is known as one of the earliest blooming native flowers in its habitat. The species name, "orientale", is botanical Latin meaning "eastern".
