60 | 5S ribosomal RNA spacer variation in Machaerantherinae (Asteraceae: Astereae): Resolution of relationships and clarification of reticulate evolution processes Log in to add this item to your schedule | Systematics/Phytogeography / Taxonomie/ Section | Morgan, David R.; Korn, Randi-Lynn; Mugleston, Spencer L.. | 5S ribosomal RNA Astereae molecular phylogeny Asteraceae |