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Montana Field Guide

Montana Field Guides

American Speedwell - Veronica americana


Global Rank: G5
State Rank: S5
* (see State Rank Reason below)

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 5

External Links






State Rank Reason (see State Rank above)
See rank details.
  • Details on Status Ranking and Review
    American Speedwell (Veronica americana) Conservation Status Review
    Review Date = 10/17/2012
    View State Conservation Rank Criteria
    Population Size

    Score0 - Large: Generally >100,000 individuals.

    Range Extent

    Score0 - Widespread species within Montana (occurs in 5% or more of the state or generally occurring in 6 or more sub-basins.) as well as outside of Montana.

    Area of Occupancy

    Score0 - High: Occurs in >25 Subwatersheds (6th Code HUC’s).

    Environmental Specificity

    Score0 - Low: Species is a generalist that occurs in a variety of habitats and/or is tolerant of disturbed or degraded habitats (C -Values of 1-4).

    CommentTolerant of disturbance and nutrient enrichment.

    Trends

    Score0 - Stable or Increasing: Population size, range, and/or available habitat stable, increasing or fluctuating in the recent past (approximately 30 years).

    Threats

    Score0 - Low: Impacts, if any, to the species are expected to be minor or insignificant (affecting <10% of populations) in severity, scope and immediacy.

    Intrinsic Vulnerability

    Score0 - Low Vulnerability: Species does not have any unusual or specific life history or biological attributes or limted reproductive potential which makes it susceptible to extirpation from stochastic events or other adverse impacts to its habitat and thus slow to recover.

    Raw Conservation Status Score

    Score 0 total points scored out of a possible 19.

 
General Description
Rhizomatous perennial. Stems often branched, basally prostrate, rooting at the nodes, terminally ascending, 5–40 cm. Herbage glabrous. Leaves short-petiolate; blades 1–6 cm long, lanceolate to ovate, serrate. Inflorescence of axillary racemes, glabrous; pedicels 5–12 mm long. Flowers: calyx 2–4 mm long; corolla blue, 5–9 mm across; style 2–3 mm long. Capsule broadly ovate, 2–4 mm long, glabrous, barely notched (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
AK to NL south to CA, AZ, NM, TX, NC and Mexico (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 44

(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
Slow, shallow water or wet banks of streams, ditches, wetlands, wet meadows; plains, valleys, montane (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
American Speedwell — Veronica americana.  Montana Field Guide.  .  Retrieved on , from