Penstemon barrettiae (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Penstemon barrettiae" in English language version.

refsWebsite

Global rank English rank

1centerforplantconservation.org

low place

low place

1web.archive.org

1^st place

1^st place

1natureserve.org

5,367^th place

2,998^th place

1washington.edu

1,067^th place

749^th place

1halleyhosting.com

low place

low place

low place

low place

centerforplantconservation.org

Penstemon barrettiae. Archived 2011-10-26 at the Wayback Machine Center for Plant Conservation.

halleyhosting.com

science.halleyhosting.com

Slichter, Paul (2016). "Barrett's Beardtongue, Barrett's Penstemon". Flora and Fauna Northwest. Paul Slichter. Retrieved 2017-03-28.

nargs.org

"Penstemon - Dasanthera Group". North American Rock Garden Society. Retrieved June 21, 2014.

natureserve.org

Penstemon barrettiae. The Nature Conservancy.

washington.edu

biology.burke.washington.edu

Penstemon barrettiae. Washington Burke Museum.

web.archive.org

Penstemon barrettiae. Archived 2011-10-26 at the Wayback Machine Center for Plant Conservation.