TY - JOUR T1 - The continuing search for order JF - The American Naturalist Y1 - 1985 A1 - Sokal, Robert R. SP - 729 EP - 749 KW - CLADISTICS VL - 126 ER - TY - JOUR T1 - The biological species concept. A critical evaluation JF - The American Naturalist Y1 - 1970 A1 - Sokal, R. R. A1 - Crovello, T. SP - 127 EP - 153 KW - BIOLOGICAL SPECIES CONCEPT KW - PHENETIC SPECIES CONCEPT KW - species KW - SPECIES CONCEPTS VL - 104 ER - TY - JOUR T1 - Two kinds of gene centers in Bothriochloininae JF - The American Naturalist Y1 - 1963 A1 - Harlan, Jack R. SP - 91 EP - 98 KW - BOTHRIOCHLOA KW - BOTHRIOCHLOININAE KW - CLIFFORD REPRINT VL - 97 ER - TY - JOUR T1 - Including the characters of interest during tree reconstruction and the problems of circularity and bias in studies of character evolution JF - The American Naturalist Y1 - 1996 A1 - de Queiroz, Kevin SP - 700 EP - 708 KW - CHARACTERS KW - CLADISTICS KW - EVOLUTION VL - 148 ER -