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215 dogwoods, hydrangeas, and allies species
Philadelphus karwinskyanus
Eucnide xylinea
Mentzelia sivinskii
Philadelphus schrenkii
Philadelphus pekinensis
Philadelphus incanus
Philadelphus brachybotrys
Deutzia setchuenensis
Deutzia schneideriana
Deutzia ningpoensis
Deutzia longifolia
Deutzia hypoglauca
Deutzia glauca
Hydrangea hydrangeoides
Hydrangea bretschneideri
Hydrangea ampla
Jamesia tetrapetala
Mentzelia albescens
Mentzelia aspera
Mentzelia speciosa
Mentzelia thompsonii
Philadelphus mearnsii
Philadelphus serpyllifolius
Mentzelia hualapaiensis
Philadelphus caucasicus
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