| Tall butterweed also has well developed upper leaves and is in much drier habitats. |
| Among them, butterweed is a cool-season annual that usually grows to 18 to 20 inches tall. |
| Rooting for food, they have wrenched up butterweed, purple milkweed and the Carolina bogmint, which is found in only 13 other places in the world. |
| Streambank butterweed is found from British Columbia south to California, and east to Saskatchewan and New Mexico. |
| Layne's butterweed grows in open rocky areas of gabbro and serpentine soils within chaparral plant communities. |
