Vascular plant extinction in the continental United States and Canada von Knapp, Wesley M., Frances, Anne, Noss, Reed, Naczi, Robert F. C., Weakley, Alan, Gann, George D., Baldwin, Bruce G., Miller, James, McIntyre, Patrick, Mishler, Brent D., Moore, Gerry, Olmstead, Richard G., Strong, Anna, Kennedy, Kathryn, Heidel, Bonnie, Gluesenkamp, Daniel

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Improving species status assessments under the U.S. Endangered Species Act and implications for multispecies conservation challenges worldwide von Noss, Reed F., Cartwright, Jennifer M., Estes, Dwayne, Witsell, Theo, Elliott, Gregg, Adams, Daniel, Albrecht, Matthew, Boyles, Ryan, Comer, Patrick, Doffitt, Chris, Faber‐Langendoen, Don, Hill, JoVonn, Hunter, William C., Knapp, Wesley M., Marshall, Michael E., Singhurst, Jason, Tracey, Christopher, Walck, Jeffrey, Weakley, Alan

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Orchid (Orchidaceae) decline in the Catoctin Mountains, Frederick County, Maryland as documented by a long-term dataset von Knapp, Wesley M, Wiegand, Richard

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Regional records improve data quality in determining plant extinction rates von Knapp, Wesley M., Frances, Anne, Noss, Reed, Naczi, Robert F. C., Weakley, Alan, Gann, George D., Baldwin, Bruce G., Miller, James, McIntyre, Patrick, Mishler, Brent D., Moore, Gerry, Olmstead, Richard G., Strong, Anna, Gluesenkamp, Daniel, Kennedy, Kathryn

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(2903) Proposal to conserve the name Juncus acuminatus Michx. against J. acuminatus Balb. (Juncaceae) and including the lectotypification of J. paradoxus von Knapp, Wesley M., Levin, Geoffrey A., Gandhi, Kanchi

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(3009) Proposal to conserve the name Trillium erectum (Melanthiaceae: Parideae) with a conserved type von Ferrer‐Gallego, P. Pablo, Knapp, Wesley M., Floden, Aaron J., Moore, Gerry

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An annotated check list of the liverworts and hornworts of the Delmarva Peninsula von McAvoy, William A, Knapp, Wesley M, Biechele, Lance T

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Taxonomy, Morphology, and Geographic Distribution of Juncus Longii (Juncaceae) von Knapp, Wesley M, Naczi, Robert F. C

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Vascular Plants of Maryland, USA: A Comprehensive Account of the State's Botanical Diversity von Knapp, Wesley M., Naczi, Robert F. C.

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Studies in the vascular flora of the southeastern United States. VIII von Weakley, Alan S., Poindexter, Derick B., Sorrie, Bruce A., Ungberg, Eric A., Ward, Scott G., Horn, James W., Knapp, Wesley M., Grund, Steven P.

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Flowering Plant Species New to Delaware and Maryland von Longbottom, Wayne D., Naczi, Robert F. C., Knapp, Wesley M.

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Rhynchospora marliniana (Cyperaceae), a new species of Rhynchospora sect. Plumosae from northern Central America and southeastern North America von Naczi, Robert F. C., Knapp, Wesley M., Thomas, Wm. Wayt

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A NEW SISYRINCHIUM (IRIDACEAE) FROM CEDAR GLADES IN NORTHERN ALABAMA von Sorrie, Bruce A., Knapp, Wesley M., Estes, L. Dwayne, Spaulding, Daniel D.

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Typification of the North American species of Trillium subg. Trillium (Melanthiaceae: Parideae) von Floden, Aaron J., Knapp, Wesley M.

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Rhynchospora galeana , a new name for Rhynchospora breviseta (Gale) Channell (Cyperaceae) von Naczi, Robert F. C., Knapp, Wesley M., Moore, Gerry

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Juncus tweedyi (Juncaceae sect. Ozophyllum), the correct name for Juncus brevicaudatus von Knapp, Wesley M., Kanchi Gandhi, Naczi, Robert F. C., Floden, Aaron

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FIGURE 1 in (Juncaceae), a new combination in sect. and notes on morphologically similar species von Knapp, Wesley M.

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FIGURE 3 in (Juncaceae), a new combination in sect. and notes on morphologically similar species von Knapp, Wesley M.

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FIGURE 2 in (Juncaceae), a new combination in sect. and notes on morphologically similar species von Knapp, Wesley M.

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FIGURE 5 in (Juncaceae), a new combination in sect. and notes on morphologically similar species von Knapp, Wesley M.

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