TAYLOR, Jonathan C., Eduardo A. MORALES & Luc ECTOR 2011 (March) Achnanthidium standeri (Cholnoky) comb. nov. and Achnanthidium taiaense (J.R. Carter et Denny) comb. nov., two new combinations of morphologically similar Achnanthidium species from Africa Algol. Studies 136/137: 151-166, 111 figs., 2 tables |