Spiraea alba x douglasii = S. x billardii

Spiraea alba x douglasii = S. x billardii - Species Dictionary - UK and Ireland : iSpot Nature - Your place to share nature. iSpot is a website aimed at helping anyone identify anything in nature. Once you've registered, you can add an observation to the website and suggest an identification yourself or see if anyone else can identify it for you.

NHMSYS0001754755
Billard's Bridewort
Natural History Museum's UK Species Inventory
Plants
Plantae, Tracheophyta, Magnoliopsida, Rosales, Rosaceae, Spiraea, Spiraea alba x douglasii = S. x billardii