A rare orchid survives on a few tracts of prairie. Researchers want to learn its secrets

BISMARCK, N.D. (AP) — On a remote tallgrass prairie in North Dakota, a secretive orchid pokes up from the ground. You'll only find it if you know where to look. The striking, bright white blooms of the western prairie fringed orchid are elusive to fans who try to catch a glimpse...