FLORA OF NORTH AMERICA
(Links to Family Descriptions & Keys)

(Flora of North America homepage)
{very technical}

CLICK ON A FAMILY'S NAME, THEN KEY OUT YOUR PLANT TO GENUS LEVEL, CLICK ON THE GENUS, THEN KEY OUT THE  SPECIES

 SHORTCUTS TO MAJOR PLANT GROUPS: 
  DICOTSMONOCOTS FERNS, FERN ALLIES & GYNOSPERMS 

DICOTS:

MONOCOTS:

Ferns, Fern Allies
& Gymnosperms