ironweed

As nouns the difference between taxonomy and ironweed

is that taxonomy is the science or the technique used to make a classification while ironweed is any of certain species of the genus vernonia of forbs and shrubs.

As nouns the difference between shrub and ironweed

is that shrub is a woody plant smaller than a tree, and usually with several stems from the same base or shrub can be a liquor composed of vegetable acid, fruit juice (especially lemon), sugar, sometimes vinegar, and a small amount of spirit as a preservative modern shrub is usually non-alcoholic, but in earlier times it was often mixed with a substantial amount of spirit such as brandy or rum, thus making it a liqueur while ironweed is any of certain species of the genus vernonia of forbs and shrubs.

As a verb shrub

is (obsolete) to lop; to prune.

As nouns the difference between forb and ironweed

is that forb is any non-woody flowering plant that is not a grass while ironweed is any of certain species of the genus Vernonia of forbs and shrubs.

As a proper noun vernonia

is .

As a noun ironweed is

any of certain species of the genus vernonia of forbs and shrubs.

As nouns the difference between genus and ironweed

is that genus is while ironweed is any of certain species of the genus vernonia of forbs and shrubs.

As nouns the difference between species and ironweed

is that species is a type or kind of thing while ironweed is any of certain species of the genus Vernonia of forbs and shrubs.