Dr. Bryan Drew

Professor, Graduate Program Chair (Biology MS - Thesis)

Office: BHS 344 | Phone: (308) 865-8883 | Email: drewbt@unk.edu

Biography

Areas of Interest:

Phylogenetics and evolution of the Lamiaceae, especially the genera Agastache, Lepechinia, Monardella, and Salvia
Temporal and spatial origin of the California Floristic Province flora
Plant speciation processes in Western North America
Pollination biology
Conservation genetics
Salmon habitat restoration
River and stream rehabilitation

Degrees:

B.S. (1996) - University of California, Berkeley
PhD. (2011) - University of Wisconsin, Madison

Professional Affiliations:

California Native Plant Society
Botanical Society of America
California Botanical Society
Union of Concerned Scientists
Salmon Restoration Federation
International Association for Plant Taxonomy

Dissertation:

Drew, B. T. 2011. Phylogenetics and biogeography of Lepechinia (Lamiaceae), and evolutionary studies within the Mentheae tribe. Ph. D. Dissertation, University of Wisconsin - Madison. 249 pp.

Publications:

Chen, Y.P., Sunojkumar, P., Spicer, R.A., Hughes, C.E., Hodel, R.G.J., Soltis, D.E., Soltis, P.S., Paton, A.J., Sun, M., Drew, B.T. & Xiang, C.L. 2025. Rapid evolutionary radiation of a plant lineage sheds light on the assembly of the dry valley biome in southwest China. Molecular Biology and Evolution, https://doi.org/10.1093/molbev/msaf011
Rose, J.P., Kriebel, R., Sytsma, K.J., & Drew, B.T. 2024. Phylogenomic perspectives on speciation and reproductive isolation in a North American biodiversity hotspot: An example using California sages (Salvia subg. Audibertia; Lamiaceae). Annals of Botany, 134: 295–310. https://doi.org/10.1016/j.pld.2024.04.011
Jiang, L.Q., Drew, B.T., Watchara, A., Hong Wu, H., Yue Zhao, Y., Peng, H. & Xiang, C.L. 2024. Comparative plastome analysis of Arundinelleae (Poaceae, Panicoideae), with implications for phylogenetic relationships and plastome evolution. BMC Genomics, 25:1016.
Zhao, Y., Chen, Y.P., Drew, B.T., Zhao, F., Almasi, M., Turginov, O.T., Xiao, J.F., Karimi, A.G., Salmaki, Y., Yu, X.Q. & Xiang, C.L. 2024. Molecular phylogeny and taxonomy of Phlomoides (Lamiaceae subfamily Lamioideae) in China: Insights from molecular and morphological data. Plant Diversity, 46: 462–475.https://doi.org/10.1016/j.pld.2024.04.011
Rose, J.P., Wiese, J., Pauley, N., Dirmenci, T., Celep, F., Ozcan, T., Xiang, C.L., & Drew, B.T. 2023. North American-East Asian disjunctions and phlogenetic relationships within subtribe Nepetinae (Lamiaceae). Molecular Phylogenetics and Evolution, 187: doi.org/10.1016/j.ympev.2023.107873
Zhao, Y., Chen, Y.P., Yuan, J.C., Paton A.J., Nuraliev, M.S., Zhao, F., Drew, B.T., Salmaki, Y., Turginov, O.T., Sun, M., Sennikov, A.N., Yua, X.Q., Li, B. & Xiang, C.L. 2023. Museomics in Lamiaceae: Resolving the taxonomic mystery of Pseudomarrubium, Current Plant Biology, 35: doi.org/10.1016/j.cpb.2023.100300
Morrison, E., & Drew, B.T. 2023. Potential hybridization among two species of Salvia in California. Transactions of the Nebraska Academy of Sciences, 43: 25–33.
Kriebel R., Drew, B.T., Claßen-Bockhoff R., & Sytsma, K.J. 2023. Evolution of anther connective teeth in sages (Salvia, Lamiaceae) under bee and hummingbird pollination. Flora, 298: doi.org/10.1016/j.flora.2022.152199
Bai, R.Z., Zhao, F., Drew, B.T., Xu, G., Cai, J., Shen, S.K., & Xiang, C.L. 2023. Seed morphology of Hypericum in China (Hypericaceae) and its taxonomic significance. Microscopy Research and Technique, 86: 1496–1509.
Zhao Y., Zhao, F., Salmaki, Y., Paton A., Cai, J., Nuraliev, M.S., Drew, B.T., Mahmoud. C., Bo Li, B., Efimov, P., Turginov, O.T., Liang, C.Z., Chen, Y.P. & Xiang, C.L. 2023. Home at last: Molecular phylogenetic analyses support subsuming Metastachydium within Phlomoides (Lamiaceae). Taxon, 72:590–606.
Kriebel, R., Rose, J.P., Drew, B.T., González-Gallegos, J.G., Celep, F., Mahdjoub, M.M., Heeg, L. & Sytsma K.J. 2023. Model selection, hummingbird natural history, and biological hypotheses: a response to Sazatornil et al. Evolution, 77:646–653. doi.org/10.1093/evolut/qpac023
Turdiboev, O.A., Shormanova, A.A., Sheludyakova, M.B., Akbarov, F., Drew, B.T. & Celep, F. 2022. Synopsis of the Central Asian Salvia species with identification key. Phytotaxa, 543:001–020.
Antar, G.M., Hays, M., Harley, R.M. & Drew, B.T. 2022. Phylogenetic placement and taxonomic revision of the genus Monochilus (Lamiaceae), a rare Brazilian endemic. Systematic Botany, 47:1112–1121.
Celep, F., Karaer, F. & Drew, B.T. 2022. Lamium cappadocicum, a new species from Central Anatolia, Turkey: evidence from molecular and morphological studies. Turkish Journal of Botany, 46:614-623.
Elvin, M.A., Kelley, R.B. & Drew, B.T. 2022. Vegetative and trichome morphology distinguish the Monardella ovata species complex from the Monardella odoratissima species complex: taxonomic studies in Monardella (Lamiaceae) VII. Systematic Botany, 47:697–715.
Rose, J.P., Xiang, C.L., Sytsma, K.J. & Drew, B.T. 2022. A timeframe for mint evolution: Towards a better understanding of trait evolution and historical biogeography in Lamiaceae. Botanical Journal of the Linnean Society, 1:15–38. doi.org/10.1093/botlinnean/boab104
Chen, Y.P., Turdimatovichb, T.O., Nuralievc, M.S., Lazarevićd, P., Drew, B.T., & Xiang, C.L. 2022. Phylogeny and biogeography of the northern temperate genus Dracocephalum s.l. (Lamiaceae). Cladistics, 4:429–451. https://doi.org/10.1111/cla.12502
Spalink, D., Karimi, N., Richards, J.H., Eifler, E., DiNicola, A., Thein, T., Schomaker, L., Drew, B.T., Mcculloh, K.A. & Givnish, T.J. 2022. Short-distance gene flow and morphological divergence in Eschscholzia parishii (Papaveraceae): implications for speciation in desert winter annuals. Botanical Journal of the Linnean Society, 200:255–269.
Kriebel, R., Drew, B.T., González-Gallegos, J.G., Celep, F., Antar, G., Pastore, J.F.B., Uriá, R. & Sytsma, K.J. 2021. Stigma shape shifting in sages (Salvia: Lamiaceae) – hummingbirds guided the evolution of New World floral features. Botanical Journal of the Linnean Society, 199: 228–248.
Thompson, K. & Drew, B.T. 2022. Impact of honeybee (Apis mellifera) gathered corn grain dust on young adult bee survival. Journal of Apicultural Research, 61:1–8.
Tarullo, C. Rose, J.P., Sytsma, K.A., and Drew, B.T. 2021. Using a supermatrix approach to explore phylogenetic relationships, divergence times, and historical biogeography of Saxifragales. Turkish Journal of Botany, 45:440-456.
Dirmenci, T., Arabacı, T., Özcan, T., Drew, B.T., Yazıcı, T., Martin, E. & Celep F. 2021. Taxonomy of the genus Origanum. Pp. 1–48 in: Oregano – The genus Origanum (Lamiaceae): Taxonomy, Cultivation, Chemistry, and Uses. Dirmenci, T, editor. Balıkesir University, Balıkesir, Turkey.
Zhao, F., Wua, Y.W., Drew, B.T., Yao, G., Chen, T.P., Cai, J., Liu, E.D., Li, B., & Xiang, C.L. 2021. Systematic placement of the enigmatic Southeast Asian genus Paralamium and an updated phylogeny of tribe Pogostemoneae (Lamiaceae subfamily Lamioideae). Frontiers in Plant Science, doi.org/10.3389/fpls.2021.646133
Rose, J.P., Kriebel, R., Kahan, L., DiNicola, A., Gonzalez-Gallegos, J.P., Celep, F., Lemmon, E.M., Lemmon, A.R., Sytsma, K.A, and Drew, B.T. 2021. Sage insights into the phylogeny of salvia: dealings with sources of discordance within and across genomes. Frontiers in Plant Science, doi.org/10.3389/fpls.2021.767478
Zhao, F., Chen, Y.P., Salmaki, Y., Drew, B.T., Wilson, T.C., Scheen, A.C. Celep, F., Bräuchler, B., Bendiksby, M., Wang, Q., Min, D.Z., Peng, H., Olmstead, R.G., Li, B., & Xiang, C.L. 2021. An updated tribal classification of Lamiaceae based on plastome phylogenomics. BMC Biology, 19:1-27.
Celep, F., Radars, E., and Drew, B.T. 2020. Two new hybrid species of Salvia (S. x karamanensis and S. x doganii) from Turkey: evidence from molecular and morphological studies. Turkish Journal of Botany, 44:647-660.

Drew, B.T. 2020. Evolution, pollination biology, and species richness of Salvia (Lamiaceae). International Journal of Plant Sciences, 181:767-769.
Zhao, F., Drew, B.T., Chen, Y.P., Hu, G.X., Li, B., and Xiang, C.L. 2020. The chloroplast genome of Salvia: genomic characterization and phylogenetic analysis. International Journal of Plant Sciences, 181:812-830.
Zhao F., Li B., Drew, B.T., Chen, Y.P., Wang, Q., Yu, W.B., Liu, E.D., Salmaki, Y., Peng, H., & Xiang, C.L. 2020. Leveraging plastomes for comparative analysis and phylogenomic inference within Scutellarioideae (Lamiaceae). PLoS ONE, 5:e0232602
Hu, G.X., Liu, E.D., Wu, Z.K., Sytsma, K.J., Drew, B.T., and Xiang, C.L. 2020. Integrating DNA sequences with morphological analysis clarifies phylogenetic position of Salvia grandifolia (Lamiaceae): an enigmatic species endemic to southwestern China. International Journal of Plant Sciences, 181:787-799.
Kriebel, R., Drew, B.T., González-Gallegos, J.G., Celep, F., Mahdjoub, M.M., Heeg, L., & Sytsma K.J. 2020. Pollinator shifts, contingent evolution, and evolutionary constraint drive the diversification of Salvia (Lamiaceae) flowers: evidence from morphometrics and phylogenetic comparative methods. Evolution, 74: 1335-1355.
Drew, B.T. 2020. A fresh look at Rosemary. In Essence, 18: 42–44.
Mota,M., Drew, B.T., & Pastore, J.F.B. 2020. Salvia rupestris (Lamiaceae), a new species endemic to the Arapuá Mountains in Pernambuco State, Brazil. Brittonia, doi.org/10.1007/s12228-020-09617-w
Drew, B.T. 2019. Lepechinia. Flora of North America North of Mexico Vol. 16: Lamiales.
Antar, G., Harley, R.M., Sano, P.T., and Drew, B.T. 2019. The genus Lepechinia Willd. (Lamiaceae - Salviinae) in Brazil. Acta Botanica Brasilica, 33:592-601.
Elvin, M.A., Kelley, R.B. & Drew, B.T. 2019. Trichome Morphology Relates to Taxonomic Diversity in Monardella in the lower Snake River Watershed of Idaho and Oregon, USA: Taxonomic Studies in Monardella (Lamiaceae) VI. The Journal of the Torrey Botanical Society, 146:299-313.
Kriebel, R., Drew, B.T., Drummond, C.P., González-Gallegos, J.G., Celep, F., Mahdjoub, M.M., Rose, J.P., Xiang, C.L., Hu, G.X., Walker, J.B., Lemmon, E.M., Lemmon, A.R., & Sytsma K.J. 2019. Tracking the temporal shifts in area, biomes, and pollinators in the radiation of Salvia (sages, Lamiaceae) across continents: leveraging Anchored Hybrid Enrichment and targeted sequence data. American Journal of Botany, 106:573-597.
Shao, M.N., Qu, B., Drew, B.T., Xiang, C.L., Miao, Q., & Luo, S.H. 2019. Outbreak of a New Alien Invasive Plant Salvia reflexa in Northeast China. Weed Research, 59:201-208.
Spalink, D., Kriebel, R., Li, P., Pace, M.C., Drew, B.T., Zaborsky, J.G., Rose, J., Givnish, T.J., Feist, M.A., Alverson, W.S., Waller, D.M., Cameron, K.M., & Sytsma, K.J. 2018. Spatial phylogenetics reveals evolutionary constraints on the assembly of a large regional flora. American Journal of Botany, 105:1038-1050.
Barrabé, L., Lavergne, S., Karnadi-Abdelkader, G., Drew, B.T., Birnbaum, P., & Gâteblé, G. 2018. Changing Ecological Opportunities Facilitated the Explosive Diversification of New Caledonian Oxera (Lamiaceae). Systematic Biology, 68:460-481.
Hu, G.X., Takano, A., Drew, B.T., Liu, E.D., Soltis, D.E., Soltis, P.S., Peng, H., & Xiang, C.L. 2018. Phylogeny and staminal evolution of Salvia (Lamiaceae, Nepetoideae) in East Asia. Annals of Botany, 122:649-668.
Rose, J., Kleist, T., Schönenberger, J., Drew, B.T., Sytsma, K.J., & Löfstrand, S. 2018. Phylogeny, historical biogeography, and diversification of angiosperm order Ericales suggest ancient Neotropical and East Asian connections. Molecular Phylogenetics and Evolution, 122:59-79.
Xiang, C.L., Zhao, F., Cantino P.D., Drew, B.T., Li, B., Liu. E., Solits, D.E., Pamela P.S., & Peng, H. 2018. Molecular systematics of Caryopteris (Lamiaceae) and its allies with reference to the molecular phylogeny of subfamily Ajugoideae. Taxon, 67:376-394.
Drew, B.T., Liu, S., Bonifacino, J.B., & Sytsma, K.J. 2017. Amphitropical disjunctions in New World Menthinae: three Pliocene dispersals to South America following late Miocene dispersal to North America from the Old World. American Journal of Botany, 104: 1695-1107.
McTavish, E.J., Drew, B.T., Redelings, B., & Cranston, K. 2017. How and why to build a unified tree of life. Bioessays, doi:10.1002/bies.201700114
Yu, X.Q., Drew, B.T., Yang, J.B., Gao, L.M. & Li, D.Z. 2017. Comparative chloroplast genomes of eleven Schima (Theaceae) species: Insights into DNA barcoding and phylogeny. PloS ONE, 12(6) p.e0178026.
Drew, B.T., González-Gallegos, J.G., Xiang, C.L., Kriebel, R., Drummond, C.P., Walker, J., & Sytsma, K.J. 2017. Salvia united: The greatest good for the greatest number. Taxon, 66: 133-145.
Spalink, D., Drew, B.T., Pace, M.C., Zaborsky, J.G., Cameron, K. & Sytsma, K.J. 2016. Evolution of geographical place and niche space: patterns of diversification in the North American sedge (Cyperaceae) flora. Molecular Phylogenetics and Evolution, 95: 183-195.
Chen, Y.P., Drew, B.T., Li, B., Soltis, D.E., Soltis, P.E. & Xiang, C.L. 2016. Resolving the phylogenetic position of Ombrocharis (Lamiaceae), with reference to the molecular phylogeny of tribe Elsholtzieae. Taxon, 65: 123-136.
Yao, G., Drew, B.T., Yi, T.S., Yan, H.F., Yuan, Y.M. & Ge, X.J. 2016. Phylogenetic relationships, character evolution and biogeographic diversification of Pogostemon s.l. (Lamiaceae). Molecular Phylogenetics and Evolution, 98: 184-200.
Spalink, D., Drew, B.T., Pace, M.C., Zaborsky, J.G., Starr, J.R., Cameron, K. & Sytsma, K.J. 2016. Biogeography of the cosmopolitan sedges (Cyperaceae) and the area-richness correlation in plants. Journal of Biogeography, 43: 1893-1904.
Hinchliff, C., Smith, S.A., Allman, J.F., Burleigh, J.G., Chaudhary, R., Cognill, L.M., Crandall, K.A., Deng, J., Drew, B.T.,…et al. 2015. Synthesis of phylogeny and taxonomy into a comprehensive tree of life. Proceedings of the National Academy of Sciences, doi:10.1073/pnas.1423041112
Walker, J.B., Drew, B.T. & Sytsma, K.J. 2015. Unraveling species relationships within the iconic California floristic province sages (Salvia subgenus Audibertia, Lamiaceae). Systematic Botany, 40:826-844.
González-Gallegos, J.G., Drew, B.T. & Cuevas-Guzmán, R. 2015. Novelties on the distribution of Lepechinia flammea (Lamiaceae), rediscovery of L. glomerata in Jalisco, Mexico, and their phylogenetic position within Lepechinia. Botanical Sciences, 93: 299-312.
Deng, J., Drew, B.T., Mavrodiev, E.V., Gitzendanner, M.A., Soltis, P.S. & Soltis, D.E. 2015. Phylogeny, divergence times, and historical biogeography of the angiosperm family Saxifragaceae. Molecular Phylogenetics and Evolution, 83: 86-98.
Deng, T., Nie, Z.L., Drew, B.T., Volis, S., Kim, C., Xiang, C.L., Wang, Y.H. & Sun, H. 2015. Does the arcto-tertiary biogeographic hypothesis explain the disjunct distribution of northern hemisphere herbaceous plants? The case of Meehania (Lamiaceae). PLoS ONE, 10:2 e0117171-e0117171.
Yu, Q., Maki, M., Drew, B.T., Paton, A.J., Li, H., Zhao, J., Conran, J.G. & Li, J. 2014. Phylogeny and historical biogeography of Isodon (Lamiaceae): rapid radiation in south-west China and Miocene overland dispersal into Africa. Molecular Phylogenetics and Evolution, 77:183-194.
Drew, B.T., Cacho, N.I. & Sytsma, K.J. 2014. The transfer of two rare monotypic genera, Neoeplingia and Chaunostoma, to Lepechinia (Lamiaceae), and notes on their conservation. Taxon, 63: 831-842.
Drew, B.T., Ruhfel, B.R., Smith, S.A., Moore, M.J., Briggs, B.G., Gitzendanner, M.A., Soltis, P.S. & Soltis, D.E. 2014. Another look at the root of the angiosperms reveals a familiar tale. Systematic Biology, 63: 368-382.
Sulman, J.D., Drew, B.T., Drummond, C., Hayasaka, E. & Sytsma, K.J. 2013. Systematics, biogeography, and character evolution of Sparganium (Typhaceae): diversification of a widespread, aquatic lineage. American Journal of Botany, 100: 2023-2039.
Drew, B.T., Gazis, R., Cabezas-Padilla, P., Swithers,, K.S., Deng, J., Rodriguez, R., Katz, L.A., Crandall, K.A., Hibbett, D.S. & Soltis, D.E. 2013. Lost branches on the tree of life. PLoS Biology, 11(9): e1001636.
Drew, B.T. 2013. Data deposition: missing data mean holes in tree of life. Nature, 493(7432): 305-305.
Drew, B.T. & Sytsma, K.J. 2013. The South American radiation of Lepechinia (Lamiaceae): phylogeny, divergence times, and evolution of dioecy. Botanical Journal of the Linnean Society, 171: 171-190.
Drew, B.T. & Sytsma, K.J. 2012. Phylogenetics, biogeography, and staminal evolution in the tribe Mentheae (Lamiaceae). American Journal of Botany, 99: 933-953.
Drew, B.T. & Sytsma, K.J. 2011.Testing the monophyly and placement of Lepechinia in the tribe Mentheae (Lamiaceae). Systematic Botany, 36: 1038-1049.
Katinas L, Crisci, J.V., Jabaily, R.S., Williams, C., Walker, J., Drew, B.T., Bonifacino, J.M. & Sytsma, K.J. 2008. Evolution of secondary heads in Nassauviinae (Asteraceae, Mutisieae). American Journal of Botany, 95: 229-240.
Drew, B.T. & Knorr, J. 2005. Rare bryophytes and lichens of the Klamath National Forest. Scott River Ranger District, Klamath National Forest. USFS.
Fetcho, K. & Drew, B.T. 2001. 2000-2001 Chinook and Coho spawning report. Lower Trinity Ranger District, Six Rivers National Forest. USFS.