American Society of Plant Taxonomists
 The American Society of Plant Taxonomists (ASPT) is a botanical organization formed in 1935 to foster encourage and promote education and research in the field of plant taxonomy to include those areas and fields of study that contribute to and bear upon taxonomy and herbaria according to its bylaws.[1] It is incorporated in the state of Wyoming and its office is at the University of Wyoming Department of Botany.The ASPT publishes a quarterly botanical journal Systematic Botany and the irregular series Systematic Botany Monographs.