Index / Search / Lomatium macrocarpum
§1 Plant
Lomatium macrocarpum (Nutt. ex Torr. & A. Gray) J.M. Coult. & Rose
vernacular bigseed biscuitroot — species · Apiaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Perennial
- Group
- Dicot
- Family
- Apiaceae Lindl.
- Genus
- Lomatium
§2a
Native status, by region
- CAN Canada Native
- L48 Lower 48 States Native
§2b
County-level range
· 168 counties across 11 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- High
- Shade
- High
- Moisture use
- Low
- Fire
- Medium
- Salinity
- Low
- Anaerobic
- None
- CaCO₃
- Medium
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- -28 °F minimum
- Frost-free days
- 105 min.
- Precipitation
- 8–16 in/yr
- pH range
- 6–8.5
- Root depth
- 10 in min.
- Fertility need
- Low
- Soil texture
- coarse, medium
§3c
Form & growth
- Growth form
- Single Crown
- Growth rate
- Moderate
- Lifespan
- Short
- Mature height
- 0.5 ft
- Foliage texture
- Fine
- Foliage colour
- Gray-Green
- Porosity (summer)
- Porous
- Porosity (winter)
- Porous
- Flower colour
- White
- Fruit colour
- Brown
- Fire resistant
- No
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Early Spring
- Seed abundance
- Medium
- Seed begins
- Spring
- Seed ends
- Spring
- Spread rate
- Slow
- Stratify
- No
- Seeds / lb
- 100,000
- Propagation
- seed, tubers
§3e
Use & availability
- Commercial availability
- Contracting Only
- Nursery stock
- No
- Browse palatability
- Low
- Graze palatability
- Low
- Palatable, human
- Yes
- Protein potential
- Low
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 168 counties across 11 states/territories.
California view state ↗ 39 N ▾
- Alameda 06001
- Amador 06005
- Butte 06007
- Calaveras 06009
- Colusa 06011
- Contra Costa 06013
- Del Norte 06015
- El Dorado 06017
- Fresno 06019
- Glenn 06021
- Humboldt 06023
- Kern 06029
- Lake 06033
- Lassen 06035
- Los Angeles 06037
- Marin 06041
- Mariposa 06043
- Mendocino 06045
- Merced 06047
- Monterey 06053
- Napa 06055
- Nevada 06057
- Plumas 06063
- San Benito 06069
- San Luis Obispo 06079
- San Mateo 06081
- Santa Barbara 06083
- Santa Clara 06085
- Shasta 06089
- Sierra 06091
- Siskiyou 06093
- Solano 06095
- Sonoma 06097
- Stanislaus 06099
- Sutter 06101
- Tehama 06103
- Trinity 06105
- Tuolumne 06109
- Yolo 06113
Colorado view state ↗ 4 N ▾
Idaho view state ↗ 20 N ▾
Montana view state ↗ 19 N ▾
Nevada view state ↗ 9 N ▾
North Dakota view state ↗ 9 N ▾
Oregon view state ↗ 31 N ▾
- Baker 41001
- Benton 41003
- Clatsop 41007
- Columbia 41009
- Coos 41011
- Crook 41013
- Curry 41015
- Deschutes 41017
- Douglas 41019
- Gilliam 41021
- Grant 41023
- Harney 41025
- Hood River 41027
- Jackson 41029
- Jefferson 41031
- Josephine 41033
- Klamath 41035
- Lake 41037
- Lane 41039
- Linn 41043
- Malheur 41045
- Marion 41047
- Morrow 41049
- Polk 41053
- Sherman 41055
- Umatilla 41059
- Union 41061
- Wallowa 41063
- Wasco 41065
- Washington 41067
- Wheeler 41069
South Dakota view state ↗ 1 N ▾
Utah view state ↗ 10 N ▾
Washington view state ↗ 20 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/LOMA3 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/3034329 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T20:46:58Z