Why Don't These Plants Need Seeds (Moss and Ferns): Crash Course Botany #8

Forget your favorite flowers, because we’re talking all about the mean green sporing machines. In this episode of Crash Course Botany, we'll dive into the first few branches of plants’ phylogenetic tree—bryophytes and seedless vascular plants, like mosses and ferns. These plants are the unsung heroes of the botanical world, and we’re giving them their due. Chapters: The Plant World's Unsung Heroes 00:00 Plant Phylogeny 1:09 Bryophytes 3:08 The Bryophyte Life Cycle 7:15 Seedless Vascular Plants 9:39 Review & Credits 12:20 Sources: *** Crash Course is on Patreon! You can support us directly by signing up at Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Tawny Whaley, Sean Saunders, DL Singfield, Ken Davidian, Stephen Akuffo, Toni Mile