Paraphyly, ancestors, and the goals of taxonomy: A botanical defense of cladism Michael J. DonoghuePhilip D. Cantino OriginalPaper Pages: 107 - 128
Systematics as science: A response to Cronquist Christopher J. HumphriesJennifer A. Chappill OriginalPaper Pages: 129 - 144
Some aspects of aluminum toxicity in plants Ajoy Kumar RoyArchana SharmaGeeta Talukder OriginalPaper Pages: 145 - 178
Reproductive versus extra-reproductive nectaries—historical perspective and terminological recommendations Rudolf Schmid OriginalPaper Pages: 179 - 227