P.I - WK7 - Carpinus betulus

GENUS: Carpinus

SPECIES: betulus

CULTIVAR: -

FAMILY: Betulaceae

COMMON NAME: Common Hornbeam

METHOD OF PROPOGATION: Seed (S) / Softwood Cuttings (SW)

PLANT TYPE: Tree (T)

DECORATIVE MERIT: Autumn Colour (AC) 

http://apps.rhs.org.uk/plantselector/plant?plantid=4410

P.I - WK7 - Alnus glutinosa

GENUS: Alnus 

SPECIES: glutinosa

CULTIVAR: -

FAMILY: Betulaceae

COMMON NAME: Common Alder

METHOD OF PROPOGATION: Seed (S) / Hardwood Cuttings (HW)

PLANT TYPE: Tree (T)

DECORATIVE MERIT: Architectural Plant (AP) 

http://apps.rhs.org.uk/plantselector/plant?plantid=104

P.I - WK4 - Corylus avellana

GENUS:   Corylus

SPECIES: avellana

CULTIVAR: -

FAMILY: Betulaceae

METHOD OF PROPOGATION: Seed (S)

PLANT TYPE: Woody Deciduous Shrub (WDS)

DECORATIVE MERIT: Flowers (Fls)

http://en.wikipedia.org/wiki/Corylus_avellana