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Montana Field Guide

Montana Field Guides

Pale Spikerush - Eleocharis flavescens

Status Under Review

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

Agency Status
MNPS Threat Rank:

External Links

State Rank Reason (see State Rank above)
Reported for southwest Montana (Dorn 1984). More information is needed to determine the status of the taxa in the state.
General Description
Tufted perennials from slender rhizomes, 3-15 cm tall. Leaf sheaths membranous, whitish, prolonged, many free from stem. Spikelets 2-6 mm long, ovate, with fewer than 20 flowers. Scales purplish brown with a paler midvein; bristles 6-7, white, equaling or slightly longer than the achene. Achenes ca. 1 mm long, glossy, purplish brown, the surface minutely punctate (adapted from: Welsh et al., 1993, A Utah Flora, 2nd ed.).

According to Kartesz (in prep., 2012) MT has variety thermalis (Rydb.) Cronq.

Range Comments
CA, AZ, UT, MT and WY (Kartesz in prep. 2012).

Summary of Observations Submitted for Montana
Number of Observations: 1

(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)

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Citation for data on this website:
Pale Spikerush — Eleocharis flavescens.  Montana Field Guide.  .  Retrieved on , from