Cirsium paludigenum and C. zhejiangense (Asteraceae) are synonymous with C. sieboldii and C. yezoense
. Phytotaxa [Internet]. 2022 Apr. 8 [cited 2025 Apr. 8];543(1):51–63. Available from: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.543.1.5