"Nova Scotia and Maine to Minnesota, south to Florida, Texas, California and Mexico; West Indies" (Reed, 1964).
Zigzag shape of stem is a helpful feature.
Frequently attacked by a fungi known as Smut, which turns the developing flower heads into a mass of black spores (R. Orr, pers. comm.).
There are 108 records in the project database.
GA | AL | WA | FR | CL | MO | HO | BA | BC | HA | CE | PG | AA | CV | CH | SM | KE | QA | CN | TA | DO | WI | SO | WO |