Wesley Martin Knapp is the Chief Botanist for NatureServe.^[1] Originally from New Hampshire, Knapp is an expert in North American plants belonging to the Cyperaceae (sedges) and Juncaceae (rushes). Knapp has published research in journals including: Systematic Botany,^[2] the Botanical Research Institute of Texas [4], Evansia, and Opuscula Philolicheum.^[3]

• Systematic Botany - Knapp, W.M. & R.F.C. Naczi 2008. Taxonomy, Morphology, and Geographic Distribution of Juncus longii (Juncaceae) Systematic Botany 33(4): 685-694
• Opuscula Philolichenum - Lendemer, J.C. & W.M. Knapp. 2007. Contributions to the Lichen Flora of Maryland: Recent Collections from the Delmarva Peninsula.
• Botanical Research Institute of Texas (Formerly SIDA) - Knapp, W.M. & D. Estes. 2006. Gratiola brevifolia (Plantaginaceae) New to the Flora of Delaware, the Delmarva Peninsula and the Mid-Atlantic. SIDA 22(1):825-829.

• http://www.nybg.org/files/scientists/rnaczi//Juncuslongii/Knapp%20&%20Naczi%20Sys%20Bot%20J%20longii.pdf
• http://sweetgum.nybg.org/webmedia.php?irn=248688
• http://www.andestoamazon.com/Sida/PDF/PDF22(1)/57_Knapp-Estes_Gratiola_825-829.pdf