North America, Europe, Eastern Asia
Northeastern United States, North-Central United States, Western United States, Canada
M. struthiopteris var. struthiopteris
M. struthiopteris var. pensylvanica
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
Forest margins, Roadsides, Terrestrial
Forest edges, Hillside, Woods
A1, A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20
A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17