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Shirley Lontz Moorhead, Minn. Regarding your reference to the Furbish lousewort as a weed.

Biologically, the Furbish lousewort is a native American.

In Maine, construction of the Dickey-Lincoln Dam was almost held up because of environmentalists' concern for a plant called the Furbish lousewort.

But it reckoned without the mighty Furbish lousewort, a plant thought extinct until some 30 specimens were discovered last year in an area destined for flooding by the proposed Dickey-Lincoln dam project.

If I were an out-of-work construction worker in Maine, I would sure take care of the Furbish lousewort�probably at night.