Nicotiana obtusifolia (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Nicotiana obtusifolia" in English language version.

refsWebsite

Global rank English rank

1natureserve.org

5,367^th place

2,998^th place

607^th place

747^th place

580^th place

462^nd place

438^th place

336^th place

1wildflower.org

low place

8,425^th place

ars-grin.gov

npgsweb.ars-grin.gov

"Nicotiana trigonophylla". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture. Retrieved 2008-02-02.

berkeley.edu

ucjeps.berkeley.edu

"Nicotiana obtusifolia". Jepson Manual. 1993. Retrieved 2008-02-02.

natureserve.org

explorer.natureserve.org

"NatureServe Explorer 2.0".

usda.gov

plants.usda.gov

"Nicotiana obtusifolia". PLANTS. Retrieved 2008-02-02.

wildflower.org

"Lady Bird Johnson Wildflower Center - The University of Texas at Austin". www.wildflower.org. Retrieved 2023-10-28.