zigzag goldenrod(n = noun.plant) broad leaved goldenrod - a variety of goldenrod;
is a kind of goldenrod

alpine goldenrod, beach goldenrod, boott's goldenrod, broad leaved goldenrod, canadian goldenrod, elliott's goldenrod, goldenrod, gray goldenrod, grey goldenrod, meadow goldenrod, missouri goldenrod, narrow goldenrod, ohio goldenrod, rough-stemmed goldenrod, seaside goldenrod, showy goldenrod, sweet goldenrod, tall goldenrod, zigzag