United States of America, Utah, Washington Co., Very common along stream banks and in a few cultivated fields.
sheet
[A letter from Arthur H. Holmgren to NYBG's Arthur Cronquist is attached to the specimen sheet:] Dear Art: I am sending you a package containing a composite sent to me by a county agent from Washington County, Utah. He claims this plant is becoming very common along stream banks and in a few cultivated fields. I haven't been able to figure the thing out and would appreciate your good word. With very best wishes to you and the family for the coming year, I am, Sincerely yours,; Cultivated or Captive