The
Canada goldenrod which makes a yellow flower bloom every year in about October.
It occurs in large stock on unoccupied land and the embankment, and a lot of
worried about this weed growing up to size more than 2m is counted as one of
the strong harm weeds.
According
to my observation, Long-tailed Rosefinch eats this fruition willingly.
However,
this wild bird does not seems to eat the fruition of Canada goldenrod of the thick
growth zone and seems to like the fruition of thin Canada goldenrod growing
thinly of the density.
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