-
द्वारा Lyons, C. P. (Chester Peter), 1915-
प्रकाशित 1995 -
An illustrated flora of the northern United States Canada and the British possessionsfrom Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102d meridianBookद्वारा Britton, Nathaniel Lord, 1859-1934
प्रकाशित 1913 -
Botany in a daythe patterns method of plant identification an herbal field guide to plant families of North AmericaBookद्वारा Elpel, Thomas J.
प्रकाशित 2013