This is Geum, probably G.urbanum.

That is it. Thank you very much. I am going to pull it. I will go ahead and store the leaves to possibly use as a spinach substitute as many sites are suggesting.

Carica papaya

The next morning not much has changed with the alien worm but it's got friends now. Here are some pictures of the others. One is growing horizontally under the ground. I guess that answers the question of what I'd find if I dug one up… nothing. Lots of flies over in this area now.