Helianthus petiolaris subsp. petiolaris

Native to:

Alberta, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Idaho, Illinois, Indiana, Iowa, Kansas, Louisiana, Maine, Manitoba, Massachusetts, Mexico Northeast, Mexico Northwest, Michigan, Minnesota, Missouri, Montana, Nebraska, Nevada, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Ontario, Oregon, Pennsylvania, Saskatchewan, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, Washington, West Virginia, Wisconsin, Wyoming

Introduced into:

Argentina Northeast, Austria, Baltic States, Belgium, East European Russia, Germany, Great Britain, Ireland, Norway, Ukraine

POWO follows these authorities in accepting this name:

• Roskov Y. & al. (eds.) (2018). Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands.

Kew Backbone Distributions

• Hassler, M. & Muer, T. (2022). Flora Germanica: alle Farn- und Blütenpflanzen Deutschlands in Text und Bild 2: 865-1712. Verlag Regionalkultur, Uberstadt-Weiher.