History, culture, and varieties of summer-flowering phloxes
Pridham, A.M.S.
History, culture, and varieties of summer-flowering phloxes - Ithaca 1934 - 1-32 p. - Cornell Agricultural Experime .
History, culture, and varieties of summer-flowering phloxes - Ithaca 1934 - 1-32 p. - Cornell Agricultural Experime .