Penstemon (original) (raw)

Continental: Europe
- Regional: Middle Europe
  * Germany (introduced).
Continental: Northern America
- Regional: Subarctic America
  * Alaska, Northwest Territories, Yukon.
- Regional: Western Canada
  * Alberta, British Columbia, Manitoba, Saskatchewan.
- Regional: Eastern Canada
  * New Brunswick, Nova Scotia (introduced), Ontario, Québec.
- Regional: Northwestern U.S.A.
  * Colorado, Idaho, Montana, Oregon, Washington, Wyoming.
- Regional: North-Central U.S.A.
  * Illinois, Iowa, Kansas, Minnesota, Missouri, North Dakota, Nebraska, Oklahoma, South Dakota, Wisconsin.
- Regional: Northeastern U.S.A.
  * Connecticut, Indiana, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia.
- Regional: Southwestern U.S.A.
  * Arizona, California, Nevada, Utah.
- Regional: South-Central U.S.A.
  * New Mexico, Texas.
- Regional: Southeastern U.S.A.
  * Alabama, Arkansas, Delaware, Florida, Georgia, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, South Carolina, Tennessee, Virginia, District of Columbia.
- Regional: Mexico
  * Mexico Central, Mexico Northeast, Mexico Gulf, Mexico Northwest, Mexico Southwest, Mexico Southeast.
Continental: Southern America
- Regional: Central America
  * Guatemala, Honduras.
- Regional: Western South America
  * Ecuador (introduced).