https://www.rhs.org.uk/plants/329058/syringa-pubescens-subsp-julianae-hers/details
Syringa pubescens subsp. julianae 'Hers' | /RHS
syringa pubescenssubsprhs
https://www.rhs.org.uk/plants/331143/syringa-pubescens-subsp-patula-wonderland/details
Syringa pubescens subsp. patula 'Wonderland' | /RHS
syringa pubescenssubsppatulawonderlandrhs