イザーク・スプレイグ
1842 Asa Gray:Botanical Text-book
1856 Asa Gray:Manual of the Botany of the Northern United States ed. 2
1848 William Oakes:White Mountain Scenery
1848-1849 Asa Gray:Genera Florae Americae Boreali-Orientalis
1855-1860 Reports of Explorations and Surveys, to Ascertain the Most Practicable and Economical Route for a Railroad Route from the Mississippi River to the Pacific Ocean, U. S. War Department
1875 George B. Emerson:Report on the Trees and Shrubs Growing Naturally in the Forests of Massachusetts, ed. 2
1876-1882 George Goodale:Wild Flowers of America
1882 Alpheus Baker Hervey:Beautiful Wild Flowers of America
1883 Alpheus Baker Hervey:Flowers of Field and Forest
1883 Alpheus Baker Hervey:Wayside Flowers and Ferns