Home/Species/ Dwarf Tansy

Tanacetum bipinnatum

(L.) Schultz-Bip.

Dwarf Tansy

G5Secure Found in 4 roadless areas NatureServe Explorer →

G5SecureGlobal Rank

UnknownThreat Impact

Identity

Unique IDELEMENT_GLOBAL.2.820587

Element CodePDAST92030

Record TypeSPECIES

ClassificationSpecies

Classification StatusStandard

Name CategoryVascular Plant

Endemicoccurs (regularly, as a native taxon) in multiple nations

KingdomPlantae

PhylumAnthophyta

ClassDicotyledoneae

OrderAsterales

FamilyAsteraceae

GenusTanacetum

Other Common Names

Tanaisie bipennée (FR)

Concept Reference

Flora of North America Editorial Committee (FNA). 2006a. Flora of North America north of Mexico. Vol. 19. Magnoliophyta: Asteridae, part 6: Asteraceae, part 1. Oxford University Press, New York. xxiv + 579 pp.

Taxonomic Comments

Flora of North America Editorial Committee (2006) includes Tanacetum huronense, T. camphoratum, and T. douglasii in T. bipinnatum. Kartesz (1994 and 1999) excluded T. camphoratum (which included T. douglasii) and recognized T. huronense as a subspecies of T. bipinnatum.

Conservation Status

Rank Method Rank calculation - Biotics v2

Review Date2024-07-23

Change Date2009-01-08

Edition Date2024-07-23

Edition AuthorsJohnson, J. (2024)

Threat ImpactUnknown

Range Extent>2,500,000 square km (greater than 1,000,000 square miles)

Number of Occurrences> 300

Rank Reasons

Tanacetum bipinnatum is a perennial herb that is found in the northern hemisphere. With a large range extent, over 300 occurrences, and broad habitat preferences for abundant habitat, this species is considered secure.

Range Extent Comments

Tanacetum bipinnatum is found in the northern hemisphere along coastlines, lake shores, and large rivers in the northern United States, Canada, and Russian. Range extent was estimated using herbarium specimens and photo-based observations documented between 1993 and 2024 (GBIF 2024, iNaturalist 2024, SEINet 2024).

Occurrences Comments

By applying a 1 km separation distance to herbarium records and photo-based observations documented between 1993 and 2024, there are estimated to be more than 300 occurrences rangewide (GBIF 2024, iNaturalist 2024, SEINet 2024).

Threat Impact Comments

Although threats are not widely documented, Tanacetum bipinnatum is potentially threatened by development, road maintenance, invasive species, sea level rise, 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.

Ecology & Habitat

Habitat

Tanacetum bipinnatum grows on dunes, other sandy sites, calcareous soils, coastal scrub, sandy flats, bluffs, and grassy slopes. (FNA 2006, OSU 2024).

Terrestrial Habitats

Shrubland/chaparralGrassland/herbaceousSand/dune

Other Nations (2)

United StatesN5

Province	Rank	Native
California	SNR	Yes
Wisconsin	SNR	Yes
Michigan	SNR	Yes
Washington	SNR	Yes
Oregon	SNR	Yes
Alaska	SNR	Yes
Maine	SNR	Yes

CanadaN4

Province	Rank	Native
Island of Newfoundland	SNR	Yes
Alberta	S2	Yes
Saskatchewan	SNR	Yes
New Brunswick	S3	Yes
Manitoba	S3	Yes
Ontario	SNR	Yes
Northwest Territories	S2	Yes
Yukon Territory	S4	Yes
British Columbia	SNR	Yes
Nunavut	S4	Yes
Quebec	SNR	Yes

Threat Assessments

Threat	Scope	Severity	Timing
Unknown/undetermined	Unknown	—	—

Plant Characteristics

DurationPERENNIAL

Economic Value (Genus)No

Roadless Areas (4)

California (1)

Area	Forest	Acres
Packsaddle	Six Rivers National Forest	3,862

Oregon (3)

Area	Forest	Acres
Tahkenitch	Siuslaw National Forest	5,799
Tenmile	Siuslaw National Forest	10,818
Woahink	Siuslaw National Forest	5,309

References (6)

Flora of North America Editorial Committee (FNA). 2006a. Flora of North America north of Mexico. Vol. 19. Magnoliophyta: Asteridae, part 6: Asteraceae, part 1. Oxford University Press, New York. xxiv + 579 pp.
Global Biodiversity Information Facility (GBIF). 2024. Global Biodiversity Information Facility (GBIF) data portal. Online. Available: https://www.gbif.org/ (accessed 2024).
iNaturalist. 2024. Online. Available: https://www.inaturalist.org (accessed 2024).
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.
Kartesz, J.T. 1999. A synonymized checklist and atlas with biological attributes for the vascular flora of the United States, Canada, and Greenland. First edition. In: Kartesz, J.T., and C.A. Meacham. Synthesis of the North American Flora, Version 1.0. North Carolina Botanical Garden, Chapel Hill, N.C.
Southwest Environmental Information Network (SEINet). 2024. Collections Databases. Online. Available: https://swbiodiversity.org/seinet/collections/index.php (accessed 2024).

Tanacetum bipinnatum

Habitat

—