BioOne sees sustainable scholarly publishing as an inherently collaborative enterprise connecting authors, nonprofit publishers, academic institutions, research libraries, and research funders in the common goal of maximizing access to critical research. A Morphological Cladistic Analysis of Terpsichore (Polypodiaceae) Author(s): Michael A. Sundue Source: Systematic Botany, 35(4):716-729. 2010. Published By: The American Society of Plant Taxonomists URL: http://www.bioone.org/doi/full/10.1600/036364410X539808 BioOne (www.bioone.org ) is an electronic aggregator of bioscience research content, and the online home to over 160 journals and books published by not-for-profit societies, associations, museums, institutions, and presses. Your use of this PDF, the BioOne Web site, and all posted and associated content indicates your acceptance of BioOne’s Terms of Use, available at www.bioone.org/page/terms_of_use . Usage of BioOne content is strictly limited to personal, educational, and non-commercial use. Commercial inquiries or rights and permissions requests should be directed to the individual publisher as copyright holder.