Angiosperms versus gymnosperms in the Cretaceous

H John B Birks^{1

2

3}

Affiliations

¹ Department of Biological Sciences, University of Bergen, N-5020 Bergen, Norway; john.birks@uib.no.
² Bjerknes Centre for Climate Research, University of Bergen, N-5020 Bergen, Norway.
³ Environmental Change Research Centre, University College London, London WC1E 6BT, United Kingdom.

Comment

H John B Birks. Proc Natl Acad Sci U S A. 2020.

. 2020 Dec 8;117(49):30879-30881.

doi: 10.1073/pnas.2021186117. Epub 2020 Nov 13.

H John B Birks^{1

2

3}

¹ Department of Biological Sciences, University of Bergen, N-5020 Bergen, Norway; john.birks@uib.no.
² Bjerknes Centre for Climate Research, University of Bergen, N-5020 Bergen, Norway.
³ Environmental Change Research Centre, University College London, London WC1E 6BT, United Kingdom.

No abstract available

Conflict of interest statement

The author declares no competing interest.

The rise of angiosperms pushed conifers to decline during global cooling.
Condamine FL, Silvestro D, Koppelhus EB, Antonelli A. Condamine FL, et al. Proc Natl Acad Sci U S A. 2020 Nov 17;117(46):28867-28875. doi: 10.1073/pnas.2005571117. Epub 2020 Nov 2. Proc Natl Acad Sci U S A. 2020. PMID: 33139543 Free PMC article.

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