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B. S. Walters spikelet

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Medians and verges of highways heavily salted in winter, introduced from farther west. Patches of this plant are a conspicuous pale silvery green in spring and easily seen. First collected in 1978, in Wayne Co. (Reznicek, 1980) and doubtless more common than the few collections suggest, since one has to risk life and limb to collect it. Michigan plants appear to match the northern Great Plains entity sometimes segregated as P. glaucifolia Scribn. & T. A. Williams.

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