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Montana Field Guides

Devil's Beggarticks - Bidens frondosa

Native Species

Global Rank: G5
State Rank: S4S5
* (see State Rank Reason below)

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 6

External Links






State Rank Reason (see State Rank above)
Numerous collections from Sanders, Big Horn,cTreasure, Dawson, Yellowstone counties and the CM Russell NWR. Probably undercollected due to inconspicuous appearance.
  • Details on Status Ranking and Review
    Devil's Beggarticks (Bidens frondosa) Conservation Status Review
    Review Date =
 
General Description
Annual. Stems erect, 20–80 cm, often branched. Herbage glabrous to sparsely puberulent. Leaves distinctly petiolate; blades 1–8 cm long, divided into 3 lanceolate, serrate leaflets. Inflorescence: heads several; peduncles 1–8 cm long. Involucre: outer phyllaries ca. 8, linear-oblanceolate, 1–2 cm long, ciliate; inner phyllaries ovate, 4–8 mm long with erose, appendaged tips. Rays absent or 3 to 5, reduced. Disk corollas 2–3 mm long. Pappus 2, awns 2–4 mm long. Achenes flattened, 6–12 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Diagnostic Characteristics
Easily confused with Bidens vulgata, numerous MONTU collections of B. vulgata were mislabelled as B. frondosa and visa-versa.

Range Comments
Throughout North America (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 2

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density

Recency

 

(Observations spanning multiple months or years are excluded from time charts)



Habitat

References
  • Additional ReferencesLegend:   View Online Publication
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    • Fassett, N. C. 1985. (3rd ed.) A Manual of Aquatic Plants, with Revision Appendix by E. C. Ogden. University of Wisconsin Press, Madison. 405 pp.
    • Lesica, P., M. T. Lavin, and P. F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
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Citation for data on this website:
Devil's Beggarticks — Bidens frondosa.  Montana Field Guide.  .  Retrieved on , from