Astragalus holmgreniorum
 Astragalus holmgreniorum is a rare species of milkvetch known by the common names Holmgren milkvetch and paradox milkvetch. It is native to a tiny section of desert shrub woodland on the border between Utah and Arizona in the far northern Mojave Desert. There are six populations remaining. It is a federally listed endangered species.This is a perennial herb with no stem just leaves emerging directly from the root crown.