Vesper constanceiConstance’s Spring Parsley Note: appears in early Spring; compare with Vesper bulbosa; Vesper constancei flowerheads almost always have three prominent veins on bracts.
Rhaponticum repensRussian Knapweed Note: grows in dense colonies; leaves are narrow (upper leaves may be toothed); phyllaries are graduated with no fringes; compare with Spotted Knapweed Centaurea stobe, which has similar-looking pink or purple flowerheads
Clematis bigeloviiLeatherflower Note: growth habit is a vine; similar non-vining species, Hairy Leatherflower or Sugarbowls, Clematis hirsutissima, found in northern NM
