Title: George Engelmann
Subjects: Botanical illustration, Vitis californica, Vitis cordifolia, Phylloxera, Vitis cinerea, Vitis rupestris, Classification, Vitis vulpina, Vitis riparia, Vitaceae, Vitis monticola, Vitis aestivalis, Cissus, Plant collection, Flowering time, Vitis arizonica, Diseases and pests
Places: North America, United States
People: George Engelmann (1809-1884)