Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My NCBI Filters

Text availability

Article attribute

Article type

Publication date

Search Results

137 results

Filters applied: . Clear all
Results are displayed in a computed author sort order. The Results By Year timeline is not available.
Page 1
Use of DNA barcodes to identify flowering plants.
Kress WJ, Wurdack KJ, Zimmer EA, Weigt LA, Janzen DH. Kress WJ, et al. Among authors: janzen dh. Proc Natl Acad Sci U S A. 2005 Jun 7;102(23):8369-74. doi: 10.1073/pnas.0503123102. Epub 2005 May 31. Proc Natl Acad Sci U S A. 2005. PMID: 15928076 Free PMC article.
Tropical ecosystems into the 21st century.
Bawa KS, Kress WJ, Nadkarni NM, Lele S, Raven PH, Janzen DH, Lugo AE, Ashton PS, Lovejoy TE. Bawa KS, et al. Among authors: janzen dh. Science. 2004 Oct 8;306(5694):227-8. doi: 10.1126/science.306.5694.227b. Science. 2004. PMID: 15472058 No abstract available.
DNA barcodes distinguish species of tropical Lepidoptera.
Hajibabaei M, Janzen DH, Burns JM, Hallwachs W, Hebert PD. Hajibabaei M, et al. Among authors: janzen dh. Proc Natl Acad Sci U S A. 2006 Jan 24;103(4):968-71. doi: 10.1073/pnas.0510466103. Epub 2006 Jan 17. Proc Natl Acad Sci U S A. 2006. PMID: 16418261 Free PMC article.
A switch to feeding on cycads generates parallel accelerated evolution of toxin tolerance in two clades of Eumaeus caterpillars (Lepidoptera: Lycaenidae).
Robbins RK, Cong Q, Zhang J, Shen J, Quer Riera J, Murray D, Busby RC, Faynel C, Hallwachs W, Janzen DH, Grishin NV. Robbins RK, et al. Among authors: janzen dh. Proc Natl Acad Sci U S A. 2021 Feb 16;118(7):e2018965118. doi: 10.1073/pnas.2018965118. Proc Natl Acad Sci U S A. 2021. PMID: 33568532 Free PMC article.
137 results