ID - Vascular Plants
Hydrangeaceae
Hydrangeaceae
Generated from PNW Herbaria database
July 10, 2025.
7 genus names
18 species/infraspecies names
(names highlighted in brown could not be resolved to an accepted name)
Index to Genera:
D: Decumaria
F: Fendlera, Fendlerella
H: Hydrangea
J: Jamesia
P: Philadelphus
W: Whipplea,
Decumaria barbara: U.S.A. (VA:1);
Fendlera rupicola: U.S.A. (AZ:1, NM:2);
var. rupicola: U.S.A. (AZ:1);
Fendlerella utahensis: U.S.A. (AZ:1);
Hydrangea arborescens: U.S.A. (KY:1, NC:2, PA:2, WV:1);
Hydrangea paniculata: U.S.A. (TN:1);
Hydrangea quercifolia: U.S.A. (GA:1, TN:2);
Jamesia americana: U.S.A. (AZ:1, CA:1, CO:3, NM:1, UT:2, WY:1);
var. macrocalyx: U.S.A. (UT:1);
var. rosea: U.S.A. (CA:1);
Jamesia tetrapetala: U.S.A. (NV:4);
Philadelphus coronarius: U.S.A. (MN:3);
Philadelphus inodorus: U.S.A. (GA:1, MN:3);
Philadelphus lewisii: Canada (BC:1); U.S.A. (CA:1, ID:97, MT:6, OR:8, WA:13);
Philadelphus microphyllus: U.S.A. (CO:1, NV:3, UT:2);
var. microphyllus: U.S.A. (CO:1, NV:2);
Philadelphus pubescens: U.S.A. (AR:1);
Whipplea modesta: U.S.A. (CA:1, OR:13);