Scanning electron electron micrographs from three collections of acetolyzed echinolophate Baccharoides pollen showing variations in spine shape from acute to markedly blunt. A–H. Baccharoides anthelmintica (L.) Moench. A polar view B Equatorial view C Lateral view D Near polar view E Equatorial view F Fractured grain G Lateral view H Equatorial view I Fractured grain. (A–C, USDA P.I. 283729; D–F, Cooray 70031701R; G–I, Koelz 7469). [Views from Robinson and Skvarla (2010); Figure 1 B = original Figure 1G; Figure 1C = original Figure 1H; and Figure 1H = original Figure 1J.]