Abbotswood Potentilla          

Aberdeen Dewberry          

Acaena          

Acuminate Cotoneaster          

Adirondack Blackberry          

Adorned Hawthorn          

Agrimony          

Aharts Cluster Rose          

Aiken Hawthorn          

Akala          

Alabama Cherry          

Alabama Hawthorn          

Alabama Serviceberry          

Alabama Snow-wreath          

Alaska Blackberry          

Alaskan Mountain-avens          

Albany Hawthorn          

Albertville Hawthorn          

Alderleaf Mountain Mahogany      

Aleutian Avens