An illustrated flora of the northern United States, Canada and the British possessions,
from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian,
by Nathaniel Lord Britton and Hon. Addison Brown.

APA Citation

Britton, N. Lord., Brown, A. (1913). An illustrated flora of the northern United States, Canada and the British possessions: from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. 2d ed.--rev. and enl. New York: C. Scribner's sons.

MLA Citation

Britton, Nathaniel Lord, 1859-1934, and Addison Brown. An Illustrated Flora of the Northern United States, Canada And the British Possessions: From Newfoundland to the Parallel of the Southern Boundary of Virginia, And From the Atlantic Ocean Westward to the 102d Meridian. 2d ed.--rev. and enl. New York: C. Scribner's sons, 1913.