Penstemon azureus (English Wikipedia)

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

refsWebsite

Global rank English rank

5^th place

5^th place

3floranorthamerica.org

low place

low place

1natureserve.org

5,367^th place

2,998^th place

394^th place

442^nd place

1books.google.com

3^rd place

3^rd place

580^th place

462^nd place

1web.archive.org

1^st place

1^st place

438^th place

336^th place

berkeley.edu

ucjeps.berkeley.edu

Wetherwax, Margriet; Holmgren, Noel H. "Penstemon azureus". Jepson eFlora. University of California, Berkeley. Archived from the original on 9 July 2024. Retrieved 27 October 2024.

books.google.com

Wiese, Karen (2013). Sierra Nevada Wildflowers : A Field Guide to Common Wildflowers and Shrubs of the Sierra Nevada (Second ed.). Guilford, Connecticut: FalconGuides. p. 46. ISBN 978-0-7627-8034-1. OCLC 823741915. Retrieved 5 February 2013.

floranorthamerica.org

floranorthamerica.org

Freeman, Craig C. (29 July 2020) [2019]. "Penstemon azureus var. angustissimus". Flora of North America. p. 231. ISBN 978-0190868512. OCLC 1101573420. Retrieved 29 October 2024.
Freeman, Craig C. (29 July 2020) [2019]. "Penstemon azureus var. azureus". Flora of North America. p. 231. ISBN 978-0190868512. OCLC 1101573420. Retrieved 29 October 2024.

dev.floranorthamerica.org

Freeman, Craig C. (29 July 2020) [2019]. "Penstemon azureus". Flora of North America. p. 231. ISBN 978-0190868512. OCLC 1101573420. Retrieved 27 October 2024.

kew.org

powo.science.kew.org

"Penstemon azureus Benth". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 26 October 2024.

natureserve.org

explorer.natureserve.org

NatureServe. "Penstemon azureus". NatureServe Explorer. Arlington, Virginia. Retrieved 16 November 2024.

usda.gov

plants.sc.egov.usda.gov

NRCS (29 October 2024), "Penstemon azureus", PLANTS Database, United States Department of Agriculture (USDA)

web.archive.org

Wetherwax, Margriet; Holmgren, Noel H. "Penstemon azureus". Jepson eFlora. University of California, Berkeley. Archived from the original on 9 July 2024. Retrieved 27 October 2024.

worldcat.org

search.worldcat.org

Wiese, Karen (2013). Sierra Nevada Wildflowers : A Field Guide to Common Wildflowers and Shrubs of the Sierra Nevada (Second ed.). Guilford, Connecticut: FalconGuides. p. 46. ISBN 978-0-7627-8034-1. OCLC 823741915. Retrieved 5 February 2013.
Freeman, Craig C. (29 July 2020) [2019]. "Penstemon azureus". Flora of North America. p. 231. ISBN 978-0190868512. OCLC 1101573420. Retrieved 27 October 2024.
Freeman, Craig C. (29 July 2020) [2019]. "Penstemon azureus var. angustissimus". Flora of North America. p. 231. ISBN 978-0190868512. OCLC 1101573420. Retrieved 29 October 2024.
Freeman, Craig C. (29 July 2020) [2019]. "Penstemon azureus var. azureus". Flora of North America. p. 231. ISBN 978-0190868512. OCLC 1101573420. Retrieved 29 October 2024.