doveweed
/ˈdoʊ.viːd/Definitions
1. noun
A type of grass, Elymus mollis, native to Europe, western Asia, and northwestern Africa.
“The field was filled with various wildflowers, including the rare doveweed that grew in the wetland.”
2. noun
A plant, especially a grass or a weed, that is difficult to eradicate.
“The doveweed in the garden had grown back after multiple attempts to remove it.”