Microtus richardsoni

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Noun1.Microtus richardsoni - of western North AmericaMicrotus richardsoni - of western North America    
field mouse, vole - any of various small mouselike rodents of the family Cricetidae (especially of genus Microtus) having a stout short-tailed body and inconspicuous ears and inhabiting fields or meadows
genus Microtus, Microtus - voles of the northern hemisphere
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References in periodicals archive ?
Except for one long-tailed vole (Microtus longicaudus) and one water vole (Microtus richardsoni), all microtine rodents caught were montane voles (Microtus montanus).
I secured young Microtus richardsoni from two pregnant females trapped in Teton Co., Wyoming.
In contrast, the anterior loop of the m1 of Microtus richardsoni consists of three simple, widely separate tubercular eminences very similar to the more posterior uncut triangles of m1 [ILLUSTRATION FOR FIGURE 2 OMITTED].