Three species of curious little gray-woolly annuals, commonly known as "rabbit's tobacco," are found in Texas, distinguished by highly technical details in the inconspicuous flower heads. The key below attempts to separate them more easily, but must be used with plants well along in flower or in fruit.
Creative Commons License
This work is licensed under a Creative Commons Attribution-Noncommercial 4.0 License
Shinners, Lloyd H.
"The Texas Species Evax (Compositae),"
Field and Laboratory: Vol. 19
Available at: https://scholar.smu.edu/fieldandlab/vol19/iss3/3