Macartney Rose          

Macouns Cinquefoil          

Macvaughs Dewberry          

Mahaleb Cherry          

Maine Dewberry          

Mallow Ninebark      

Manatee Dewberry          

Manchurian Crab Apple          

Mancos Rose          

Mansfield Hawthorn          

Manyflower Blackberry          

Manyleaf Mousetail          

Manzanita Tejocotera          

Margaretts Hawthorn          

Marietta Hawthorn          

Marshland Blackberry          

Marvel Dewberry          

Massachusetts Blackberry          

Mat Rockspirea          

Maules Quince