Correction to: Journal of Plant Research (2020) 133:109–122 https://doi.org/10.1007/s10265-019-01159-x

The article Assessment of Polygala paniculata (Polygalaceae) characteristics for evolutionary studies of legume–rhizobia symbiosis, written by Yuji Tokumoto, Kayo Hashimoto, Takashi Soyano, Seishiro Aoki, Wataru Iwasaki, Mai Fukuhara, Tomomi Nakagawa, Kazuhiko Saeki, Jun Yokoyama, Hironori Fujita and Masayoshi Kawaguchi, was originally published Online First without Open Access. After publication in volume 133, issue 1, page 109–122 the author decided to opt for Open Choice and to make the article an Open Access publication. Therefore, the copyright of the article has been changed to © The Author(s) 2021 and the article is forthwith distributed under the terms of the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/), which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

The original article has been updated.