Summer wild flowers / by J. Francis Macbride, Asst. Curator, Taxonomy, Dept. of Botany
Macbride, J. Francis (James Francis),
Brownell, Leverett White,
Millspaugh, Charles Frederick,
Smith, Huron H.
Field Museum of Natural History,
Leaflet (Field Museum of Natural History. Dept. of Botany) ; no. 9