Scanning electron micrographs of Linzia and Namibithamnus pollen. A, B, E Linzia rosenii. (R.E. Fries) H. Rob., Skvarla & V.A. Funk. A Polar view B Equatorial view C Equatorial view. Note differences of lophae surrounding pores in B and C, D Linzia glabra Steetz in Peters. Lateral view. E Linzia rosenii. Fractured pollen wall. F–H Namibithamnus obionifolius (O. Hoffm.) H. Rob., Skvarla & V.A. Funk. F Equatorial view. This is the most common form of aperture G Equatorial view. Less common form of aperture with broken lophal arms apparent H Near polar view (A–C, EJacobsen 3075DWest 7292F-HTölken & Hardy 770).