Rydberg's sunflower
Rydberg's sunflower (FNA Ed. Comm., 2006c) is an accepted English vernacular name for:
Helianthus nuttallii subsp. rydbergii (Britton) R.W. Long , an accepted subspecies name sensu FNA Ed. Comm., 2006c.
Rydberg's sunflower (FNA Ed. Comm., 2006c) is an accepted English vernacular name for:
Helianthus nuttallii subsp. rydbergii (Britton) R.W. Long , an accepted subspecies name sensu FNA Ed. Comm., 2006c.