An interesting post on the Denver Botanic Garden’s blog led me to the Center for Plant Conservation‘s ((Hosted by the Missouri Botanical Garden in St. Louis, Missouri.)) database of the National Collection of Endangered Plants of the US, which I’m ashamed to say I knew nothing about. It is interesting to us here because it includes crop wild relatives like Helianthus species. There’s also lots of information on how to fight invasives, which has been the subject of some discussion here in the past few days.