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Montana Field Guide

Montana Field Guides

Silver Bladderpod - Physaria ludoviciana
Other Names:  Lesquerella ludoviciana

Species of Concern

Global Rank: G5
State Rank: S2S3
* (see State Rank Reason below)

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

External Links






State Rank Reason (see State Rank above)
Rare in Montana. Primarily a plains species which barely enters eastern Montana where it is restricted to sandy sites. Locally common at one site and threats to the species' viability appear to be minimal at this time.
 
General Description
Stems ascending, 15–25 cm from a simple caudex. Basal leaves rosulate, erect, linear, 3–7 cm long. Stem leaves similar, reduced upward. Vestiture of 4- to 7-rayed stellate hairs. Petals 6–8 mm long. Fruit globose, 3–4 mm high; style 2–5.5 mm long; seeds 2 to 6 per locule; pedicels curved down, 10–16 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
MT to MB south to NV, AZ, CO, OK and IL (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 10

(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
Sandy sites on the plains, often around sandstone outcrops.

Ecological Systems Associated with this Species

References
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Citation for data on this website:
Silver Bladderpod — Physaria ludoviciana.  Montana Field Guide.  .  Retrieved on , from