The commonness of rarity —evolution and endemism in South American clubmosses

A Brown Bag Lecture by Dr. Weston Testo

A conspicuous feature of Earth’s biological diversity is that some species are widespread and common, whereas others are extremely rare and narrowly distributed. Various hypotheses have been proposed to explain this pattern, but data are sparse and taxonomically biased. In this talk, Dr. Testo will explore the commonness of rarity in clubmosses (Lycopodiaceae), focusing on the group’s successful diversification in the mountains of South America and corresponding patterns of endemism in these habitats. 

Twitter: @westo_fernnerd

Website: www.westontesto.com

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This lecture will broadcast live on YouTube at https://youtu.be/xoR_Ncbz6Vo. Watchers can use the YouTube chat for Q&A with the speaker.

NEW LINK: https://www.youtube.com/watch?v=zBcUGOQ9ms8&ab_channel=BotanicalResearchInstituteofTexas

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