selected publications
-
article
- Taxonomic, nomenclatural and chorological reports on Carex (Cyperaceae) in the Neotropics. Willdenowia. 48:117-124. 2018
- An integrated assessment of the vascular plant species of the Americas. Science. 358:1614- . 2017
- Generic Relationships and Classification of Tribe Paullinieae (Sapindaceae) with a New Concept of Supertribe Paulliniodae. Systematic Botany. 42:96-114. 2017
- Three New Cyperaceae from the Cuyuni-Mazaruni Region of Guyana (South America). Novon. 24:401-407. 2016
- The Interface Region Imaging Spectrograph (IRIS). Solar Physics. 289:2733-2779. 2014
- Catalogue of Seed Plants of the West Indies. Smithsonian Contributions to Botany. 98:1-1192. 2012
- An emendation of the vascular flora of Great Falls Park, Fairfax County, Virginia. Castanea. 73:123-149. 2008
- Floristic richness and affinities in the West Indies. Botanical Review. 74:5-36. 2008
- Noteworthy Collections: Virginia. Castanea. 73:328-332. 2008
-
blog posting
-
chapter
- Cyperaceae. 1138-1169. 2016
- Poaceae. 714-766. 2012
-
Boraginaceae
2012 - Malvaceae. 496-529. 2012
- Passifloraceae. 157-174. 2012
- Thurniaceae. 177. 2007
