I noticed lesser celandine sprouting in my garden a couple of weeks ago, so it is time to begin control measures. Lesser celandine (Ficaria verna) is a very invasive spring ephemeral perennial plant ...

Underneath a mask of bright yellow blossoms and heart-shaped leaves, an invasive species is threatening native mid-Michigan flora. During an annual review of Michigan's invasive species watch list, a ...

The lowly dandelion (Taxaracum officinale) is another yellow weed carpeting our area now. However, ecologists are not raising the same alarm about dandelions because they are most troublesome in ...