Lots of these growing along the path. There's a sticky white sap on the flower buds and the flowers have a very faint cucumber smell. There are so many honeybees on them
Very sticky
Spring Creek Forest Preserve
Not 100% confident. From other observations, it appears Texas Snakeweed has a narrower receptacle than Prairie Broomweed. I don't know what other differences to look for between the plants
OP NWR Diversity