PeerJ Author 270 Points Contributions by role Author 270 Contributions by subject area Agricultural Science Biodiversity Ecology Microbiology Plant Science Biochemistry Mycology Richard D Johnson PeerJ Author Summary Agricultural Science Biochemistry Plant Science PeerJ Contributions Articles 2 January 7, 2021 Synergism between calcium nitrate applications and fungal endophytes to increase sugar concentration in Festuca sinensis under cold stress Lianyu Zhou, Chunjie Li, James F. White, Richard D. Johnson https://doi.org/10.7717/peerj.10568 PubMed 35070512 July 10, 2020 Methylobacterium, a major component of the culturable bacterial endophyte community of wild Brassica seed Davood Roodi, James P. Millner, Craig McGill, Richard D. Johnson, Ruy Jauregui, Stuart D. Card https://doi.org/10.7717/peerj.9514 PubMed 32728495