fall webworm
— Navneord
– Engelsk
~ a variety of webworm
frost-weed
— Navneord
– Engelsk
~ tall perennial herb having clusters of white flowers; the eastern United States
French weed
— Navneord
– Engelsk
~ foetid Eurasian weed having round flat pods; naturalized throughout North America
frost-weed
— Navneord
– Engelsk
~ perennial of the eastern United States having early solitary yellow flowers followed by late petalless flowers; so-called because ice crystals form on it during first frosts