Dodder is parasitic on a very wide variety of plants , including a number of agricultural and horticultural crop species , such as alfalfa , lespedeza , flax , clover , potatoes , chrysanthemum , dahlia , helenium , trumpet vine , ivy and petunias , among others .
Dodder is parasitic on a very wide variety of plants , including a number of agricultural and horticultural crop species , such as alfalfa , flax , clover , potatoes , chrysanthemum , dahlia , trumpet vine , ivy and petunias , among others .