62 



SOURCES OF NECTAR 



Union, as well as Canada and Mexico (Fig. 29). They are 

 perennial herbs, tlooming in late summer and autumn, mostly 



¥" 



Fig. 29. — The golden rod is an important source of fall nectar in some localities 



with bright yellow flowers. At least eighty recognized species are 

 recorded. 



The golden rod is an important source of nectar in many 



