Talk:Cirsium scariosum

The Xerxes society disputes the perenniality of any Cirsium native to North America https://xerces.org/publications/guidelines/native-thistles-conservation-practitioners-guide — Preceding unsigned comment added by 170.10.254.48 (talk) 20:34, 31 December 2023 (UTC)


 * The Xerxes Society can dispute this all they like, but they're flat out wrong in this case. Example from a source by botanists: Flora of North America. It is a biennial or monocarpic (flowering once) perennial. 🌿MtBotany (talk) 21:22, 31 December 2023 (UTC)