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Montana Field Guide

Montana Field Guides

Northern Toadflax - Geocaulon lividum
Other Names:  Comandra lividum

Potential Species of Concern

Global Rank: G5
State Rank: S3S4

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 7

External Links






 
General Description
Stems erect, simple,10–30 cm, usually solitary. Leaves short-petiolate, narrowly elliptic, 1–5 cm long. Inflorescence: 3 pedicellate flowers per axil of middle leaves. Flowers all apparently perfect, but some functionally male; hypanthium green to purple, ca. 1 mm long; sepals deltoid, 1–1.5 mm long. Fruit a red drupe, 5–10 mm long, solitary in leaf axils (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
AK to NL south to WA, MT, MN and NY (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 51

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Relative Density

Recency

 

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



Habitat
Moist spruce forests, often bordering wetland areas, in the montane zone.

References
  • Additional ReferencesLegend:   View Online Publication
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    • Chadde, Steve. Sensitive Plant Survey, Pinkham Analysis Area, Kootenai National Forest. Unpublished Report, 26 Pp. Plus Appendices.
    • Lesica, P., M. T. Lavin, and P. F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Warrington, P.D. 1970. The natural history of Parasitism of Geocaulon lividum (Santalaceae). Ph.D dissertation. University of British Columbia 157 pp.
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Citation for data on this website:
Northern Toadflax — Geocaulon lividum.  Montana Field Guide.  .  Retrieved on , from