62 SOURCES OF NECTAR 
Union, as well as Canada and Mexico (Fig. 29). They are 
perennial herbs, blooming in late summer and autumn, mostly 
BRT 
pas 
one z : Pe 
ie = : x, 
te | 
SH 
beast ahs ae! 3 eee a Sree So aot. Sal 
Fic. 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 
