Rare species encountered at the Reserve have included bald eagles, least terns, peregrine falcons, piping plovers, slender blue flag iris, and arethusa orchid.    From Wordnik.com.  [Wells National Estuarine Research Reserve, Maine] Reference

When June comes, -- when the clethra is heaped with its bee-beloved blossoms, and the grass is green and bright as never again in the year, then the arethusa is to be sought.    From Wordnik.com.  [The Atlantic Monthly, Volume 05, No. 27, January, 1860] Reference

Below this was a swamp surrounded by a luxuriant growth of asters of every hue, and white and pink spirea and golden rod, and blue iris, and the delicate, rose-colored arethusa, and the blue fringed gentian abounded on every hand; also shrubs of the bayberry, wild rose and sweet brier, with many beautiful ferns.    From Wordnik.com.  [Peak's Island A Romance of Buccaneer Days] Reference

It makes a pet of one of our oddest, brightest, and showiest flowers, the pink lady's-slipper, and by some means or other has enticed it away from the peat bog, where it surely should be growing, along with the calopogon, the pogonia, and the arethusa, and here it is, like some rare exotic, thriving in a bed of sand and on a mat of brown needles.    From Wordnik.com.  [The Foot-path Way] Reference