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Balsamorhiza deltoidea

Nutt.

Deltoid Balsamroot

G5Secure Found in 31 roadless areas NatureServe Explorer →
G5SecureGlobal Rank
UnknownThreat Impact
Identity
Unique IDELEMENT_GLOBAL.2.159116
Element CodePDAST11020
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicoccurs (regularly, as a native taxon) in multiple nations
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderAsterales
FamilyAsteraceae
GenusBalsamorhiza
Other Common Names
Balsamorhize à feuilles deltoïdes (FR) deltoid balsamroot (EN) Puget Balsamroot (EN)
Concept Reference
Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Conservation Status
Rank Method Rank calculation - Biotics v2
Review Date2025-03-24
Change Date1988-08-01
Edition Date2025-03-24
Edition AuthorsN. Ventrella (2025)
Threat ImpactUnknown
Range Extent200,000-2,500,000 square km (about 80,000-1,000,000 square miles)
Number of Occurrences> 300
Rank Reasons
Balsamorhiza deltoidei is a perennial forb occurring on open hillsides, grassy areas, chaparral, or forests of western North America from British Columbia, Canada south to Washington, Oregon, and California in the United States. There are an estimated 359 occurrences of this species, which are threatened by encroachment by invasive species, herbivory, trampling, forest ingrowth, trail maintenance activities, and other threats in some places. However, their overall impact is likely negligible given the species' broad range, large number of occurrences, tolerance of light disturbance, and affinity for typically abundant habitats, as well as no obvious intrinsic vulnerabilities.
Range Extent Comments
Balsamorhiza deltoidea occurs in western North America, from British Columbia, Canada south to Washington, Oregon, and California in the United States (FNA 2006). Range extent was estimated using herbarium specimens, photo-based observations, and NatureServe Network occurrence data collected between 1994 and 2025 (RARECAT 2024, GBIF 2025, iNaturalist 2025, NatureServe 2025, SEINet 2025).
Occurrences Comments
By applying a 1 km separation distance to herbarium specimens, photo-based observations, and NatureServe Network occurrence data documented between 1994 and 2025, it is estimated that there are 359 occurrences rangewide (RARECAT 2024, GBIF 2025, iNaturalist 2025, NatureServe 2025, SEINet 2025).
Threat Impact Comments
In British Columbia, Canada, Balsamorhiza deltoidea is threatened by encroachment by invasive species, herbivory, trampling, forest ingrowth, and trail maintenance activities (NatureServe 2025). Threats elsewhere are unknown.
Ecology & Habitat

Habitat

Balsamorhiza deltoidea occurs on "open hillsides, [and] openings in chaparral or forests" from 60 to 2400 m in elevation (FNA 2006). In British Columbia, Canada, it is found in open rocky woodlands and dry grassy areas (Douglas et al. 1998).
Terrestrial Habitats
Forest/WoodlandShrubland/chaparralGrassland/herbaceous
Other Nations (2)
CanadaN2
ProvinceRankNative
British ColumbiaS2Yes
United StatesN5
ProvinceRankNative
OregonSNRYes
CaliforniaSNRYes
WashingtonSNRYes
Threat Assessments
ThreatScopeSeverityTiming
1 - Residential & commercial developmentUnknownUnknownUnknown
1.3 - Tourism & recreation areasUnknownUnknownUnknown
7 - Natural system modificationsUnknownUnknownUnknown
7.1 - Fire & fire suppressionUnknownUnknownUnknown
7.1.2 - Suppression in fire frequency/intensityUnknownUnknownUnknown
8 - Invasive & other problematic species, genes & diseasesUnknownUnknownUnknown
8.1 - Invasive non-native/alien species/diseasesUnknownUnknownUnknown
8.2 - Problematic native species/diseasesUnknownUnknownUnknown
8.2.1 - Unspecified speciesUnknownUnknownUnknown

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Plant Characteristics
DurationPERENNIAL
Economic Value (Genus)No
Roadless Areas (31)
California (29)
AreaForestAcres
AntimonyLos Padres National Forest40,911
BackboneShasta-Trinity National Forest11,466
Black ButteMendocino National Forest15,461
Cow CreekShasta-Trinity National Forest22,627
Domeland Add.Sequoia National Forest3,046
Dry LakesLos Padres National Forest17,043
East ForkShasta-Trinity National Forest6,201
Fish CanyonAngeles National Forest29,886
Fox MountainLos Padres National Forest52,072
Greenhorn CreekSequoia National Forest28,226
KangarooKlamath National Forest40,617
Lake EleanorShasta-Trinity National Forest397
MatilijaLos Padres National Forest5,218
Mill CreekSequoia National Forest27,643
Monkey CreekSix Rivers National Forest9,017
MonoLos Padres National Forest28,141
Mt. LassicSix Rivers National Forest6,643
North Fork SmithSix Rivers National Forest37,898
PacksaddleSix Rivers National Forest3,862
QuatalLos Padres National Forest7,253
Sawmill - BadlandsLos Padres National Forest51,362
ScodiesSequoia National Forest725
Sespe - FrazierAngeles National Forest4,254
Siskiyou BSix Rivers National Forest18,871
Snow MountainMendocino National Forest14,457
South ForkShasta-Trinity National Forest16,786
ThatcherMendocino National Forest16,652
West GirardShasta-Trinity National Forest37,516
WoodpeckerSequoia National Forest11,936
Oregon (2)
AreaForestAcres
North KalmiopsisSiskiyou National Forests91,560
South KalmiopsisSiskiyou National Forests104,477
References (8)
  1. Douglas, G.W., G.B. Straley, D. Meidinger, and J. Pojar, editors. 1998. The Illustrated Flora of British Columbia. Volume 1. Gynmosperms and Dicotyledons (Aceraceae through Asteraceae). British Columbia Ministry of Environment, Lands and Parks and British Columbia Ministry of Forests, Victoria.
  2. Flora of North America Editorial Committee (FNA). 2006c. Flora of North America north of Mexico. Vol. 21. Magnoliophyta: Asteridae, part 8: Asteraceae, part 3. Oxford Univ. Press, New York. xxii + 616 pp.
  3. Global Biodiversity Information Facility (GBIF). 2025. Global Biodiversity Information Facility (GBIF) data portal. Online. Available: https://www.gbif.org/ (accessed 2025).
  4. iNaturalist. 2025. Online. Available: https://www.inaturalist.org (accessed 2025).
  5. Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
  6. NatureServe. 2025. NatureServe Network Biodiversity Location Data. NatureServe, Arlington, Virginia.
  7. NatureServe's Rapid Analysis of Rarity and Endangerment Conservation Assessment Tool (RARECAT). 2024. Version: 1.1.1 (released Oct 01, 2024).
  8. Southwest Environmental Information Network (SEINet). 2025. Collections Databases. Online. Available: https://swbiodiversity.org/seinet/collections/index.php (accessed 2025).