education and training Ph.D. in Biology, Duke University , Department of Biology 2001 - 2007 M.S. in Biological Sciences, University of Wisconsin, Milwaukee , Department of Biological Sciences 1999 - 2001 B.S. in Biological Sciences, University of Wisconsin, Milwaukee , Department of Biological Sciences 1995 - 1999 National Evolutionary Synthesis Center 2009 - 2010 Duke University , Department of Biology 2007 - 2009
awards and honors Smithsonian Scholarly Studies Award, conferred by Smithsonian Scholarly Studies Awards, 2018
co-principal investigator on Deepening our understanding of digitized herbarium samples using machine learning awarded by Smithsonian Scholarly Studies Awards 2018 -
investigator on Collaborative Research: Exploring the Evolution of an Extreme Makeover in Ferns awarded by National Science Foundation Applying Machine Learning and Computer Vision to Investigate Long Term Insect-Plant Interactions Preserved on Digitized Herbarium Specimens awarded by Duke University 2019 -
selected publications article A drought-driven model for the evolution of obligate apomixis in ferns: evidence from pellaeids (Pteridaceae) 2021 Leaf water relations in epiphytic ferns are driven by drought avoidance rather than tolerance mechanisms 2021 New combinations and typifications in Haplopteris (Pteridaceae: Vittarioideae) 2021 Three new combinations and one lectotypification of fern and lycophyte taxa from the French overseas territories 2021 Evaluating the status of fern and lycophyte nothotaxa in the context of the Pteridophyte Phylogeny Group classification (PPG I) 2020 Extensive photobiont sharing in a rapidly radiating cyanolichen clade 2020 A worldwide phylogeny of Adiantum (Pteridaceae) reveals remarkable convergent evolution in leaf blade architecture 2018 Are there too many fern genera? 2018 Geometry, Allometry and Biomechanics of Fern Leaf Petioles: Their Significance for the Evolution of Functional and Ecological Diversity Within the Pteridaceae 2018 Mobile elements shape plastome evolution in ferns 2018 Overlapping Patterns of Gene Expression Between Gametophyte and Sporophyte Phases in the Fern Polypodium amorphum (Polypodiales) 2018 A global phylogeny of the fern genus Tectaria (Tectariaceae: Polypodiales) based on plastid and nuclear markers identifies major evolutionary lineages and suggests repeated evolution of free venation from anastomosing venation. Molecular Phylogenetics and Evolution. 114:295-333. 2017 Applications of deep convolutional neural networks to digitized natural history collections 2017 Taxonomic and nomenclatural notes concerning Ormopteris and Pellaea (Pteridaceae) in Brazil. Brittonia. 69:313-315. 2017 A community-derived classification for extant lycophytes and ferns 2016 A revised generic classification of vittarioid ferns (Pteridaceae) based on molecular, micromorphological, and geographic data 2016 Circumscription and phylogeny of the fern family Tectariaceae based on plastid and nuclear markers, with the description of two new genera: Draconopteris and Malaifilix (Tectariaceae) 2016 Maidenhair Ferns, Adiantum, are Indeed Monophyletic and Sister to Shoestring Ferns, Vittarioids (Pteridaceae) 2016 Phylogeny and relationships of the neotropical Adiantum raddianum group (Pteridaceae). Taxon. 65:1225-1235. 2016 Proposal to conserve the name Haplopteris against Monogramma (Pteridaceae) 2016 Sex and the Single Gametophyte: Revising the Homosporous Vascular Plant Life Cycle in Light of Contemporary Research 2016 Systematics and evolution of lycophytes and ferns 2016 Transcriptome sequencing reveals genome-wide variation in molecular evolutionary rate among ferns 2016 Unraveling the origin of the Appalachian gametophyte, Vittaria appalachiana. Am.J.Bot.. 103:668-676. 2016 A Unified Approach to Taxonomic Delimitation in the Fern Genus Pentagramma (Pteridaceae) 2015 A global plastid phylogeny of the brake fern genus Pteris (Pteridaceae) and related genera in the Pteridoideae 2015 Tryonia, a new taenitidoid fern genus segregated from Jamesonia and Eriosorus (Pteridaceae). Phytokeys. 35:23-43. 2014 Accelerated Rate of Molecular Evolution for Vittarioid Ferns is Strong and Not Driven by Selection. Systematic Biology. 63:31-54. 2014 Molecular phylogenetic and morphological affinities of Adiantum senae (Pteridaceae). Taxon. 63:258-264. 2014 Pellaea flavescens, a Brazilian endemic, is a synonym of Old World Pellaea viridis. American Fern Journal. 103:21-26. 2013 A revised family-level classification for eupolypod II ferns (Polypodiidae: Polypodiales). Taxon. 61:515-533. 2012 Abrupt deceleration of molecular evolution linked to the origin of arborescence in ferns. Evolution. 64:2786-2792. 2010 DNA barcoding exposes a case of mistaken identity in the fern horticultural trade. Molecular Ecology Resources. 10:979-985. 2010 Evidence for a Cenozoic radiation of ferns in an angiosperm-dominated canopy. Proceedings of the National Academy of Sciences. 106:11200-11205. 2009 Using plastid and nuclear DNA sequences to redraw generic boundaries and demystify species complexes in cheilanthoid ferns. American Fern Journal. 99:128. 2009 A "new" tree fern species from southeastern Brazil: Cyathea myriotricha (Cyatheaceae). Brittonia. 60:362-370. 2008 Divergence times and the evolution of epiphytism in filmy ferns (Hymenophyllaceae) revisited 2008 The utility of nuclear gapCp in resolving polyploid fern origins. Systematic Botany. 33:621-629. 2008 A molecular phylogeny of the fern family Pteridaceae: assessing overall relationships and the affinities of previously unsampled genera. Molecular Phylogenetics and Evolution. 44:1172-1185. 2007 Fern phylogeny inferred from 400 leptosporangiate species and three plastid genes. Taxon. 56:1037. 2007 chapter The Structure and Function of Xylem in Seed-Free Vascular Plants: An Evolutionary Perspective 2015 Ferns (Monilophyta) 2009 Fern classification 2008 Fern phylogeny 2008 thesis The evolution and diversification of epiphytic ferns 2007
