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Montana Field Guide

Montana Field Guides

Maryland Black Snakeroot - Sanicula marilandica

Native Species

Global Rank: G5
State Rank: S4
C-value: 5

Agency Status


External Links

General Description
Fibrous-rooted. Stems solitary, erect, 30–80 cm. Leaves petiolate below, sessile above; blades reniform in outline, 6–20 cm wide, palmate; leaflets 5- to 7-lobed and/or coarsely toothed, 3–10 cm long. Umbel: peduncle 4–15 cm long; rays 1–5 cm long; involucel bracts oblanceolate, 1–2 mm long. Flowers greenish white. Mericarps 4–7 mm long (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range Range Descriptions


Range Comments
BC to NL south to WA, NM, NE and FL (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 104

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



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

Meadows, willow thickets, moist woodlands, open forest; plains, valleys, lower montane (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

The following animal species have been reported as pollinators of this plant species or its genus where their geographic ranges overlap: Bombus bifarius (Thorp et al. 1983).

  • Literature Cited AboveLegend:   View Online Publication
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Thorp, R.W., D.S. Horning, and L.L. Dunning. 1983. Bumble bees and cuckoo bumble bees of California (Hymenoptera: Apidae). Bulletin of the California Insect Survey 23:1-79.
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • DuBois, K.L. 1979. An inventory of the avifauna in the Long Pines of Southeastern Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 113 p.
    • Wood, A.K. 1987. Ecology of a prairie mule deer population. Ph.D. Dissertation. Bozeman, MT: Montana State University. 205 p.
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Citation for data on this website:
Maryland Black Snakeroot — Sanicula marilandica.  Montana Field Guide.  .  Retrieved on , from