Family: Hydrangeaceae
[Philadelphus californicus Carrière, more..., Philadelphus confusus Piper, Philadelphus cordifolius Lange, Philadelphus gordonianus Lindl., Philadelphus gordonianus var. columbianus Rehder, Philadelphus insignis Carrière, Philadelphus lewisii subsp. californicus (Benth.) Munz, Philadelphus lewisii subsp. gordonianus (Lindl.) Munz, Philadelphus lewisii var. angustifolius (Rydb.) S.Y.Hu, Philadelphus lewisii var. ellipticus S.Y.Hu, Philadelphus lewisii var. gordonianus (Lindl.) Jeps., Philadelphus lewisii var. helleri (Rydb.) S.Y.Hu, Philadelphus lewisii var. intermedius (A.Nelson) S.Y.Hu, Philadelphus lewisii var. lewisii Pursh, Philadelphus lewisii var. oblongifolius S.Y.Hu, Philadelphus lewisii var. parvifolius S.Y.Hu, Philadelphus lewisii var. platyphyllus A.H.Moore, Philadelphus oreganus Nutt. ex Torr. & A. Gray, Philadelphus trichothecus Hu, Philadelphus x insignis Carrière (pro sp.) [lewisii × californicus], Philadelphus zelleri Hu]
Charles Webber