Graduate students
Kira Gangbin (Ph.D. in progress) – Reintroduction Ecology of Texas horned lizards.
Ulysses Olin (M.S. 2024) – Employing a new testing method for identifying fluridone resistance in Hydrilla verticillata.
Sarah LiCari (M.S. 2023) – A comparison of sex ratios of bat fatalities at wind energy facilities for local and long-range migratory populations of Mexican free-tailed bats.
Tom Stevens (co-advised with Amanda Hale) (Ph.D. 2022) – How do habitat specialists persist in urban forests? A case study using the Great Trinity Forest.
Patrick Ryan (M.S. 2022) – Thermal habitat selection of reintroduced Texas horned lizards (Phrynosoma cornutum).
Padraic Elliott (M.S. 2022) – Microhabitat use and range size between native and reintroduced populations of Texas horned lizards (Phrynosoma cornutum).
Mary Rachel Tucker (M.S. 2021) – The thermal ecology of Texas horned lizards (Phrynosoma cornutum) in small Texas towns.
Austin Chipps (M.S. 2020) (co-advised with Dr. Amanda Hale) – Genetic diversity and population structure of two species of yellow bats in south Texas.
Dustin Rhoads (M.S. 2019) – Back-ground color-matching in the Texas horned lizard (Phrynosoma cornutum).
Steven Mirkin (M.S. 2019) – Predation release of Texas horned lizards (Phrynosoma cornutum) living in small towns.
Rachel Alenius (M.S. 2018) – Diet analysis of Texas horned lizards living in two small Texas towns.
Alexis Ackel (M.S. 2016) – The devil in the details: population estimation for conservation management of Texas horned lizards.
Carolina Granthon (M.S. 2015) – Avian malaria and body condition in four species of songbird.
Ashley Wall (M.S. 2014) – Status and movement patterns of Texas horned lizards living in urban areas.
Daniella Biffi (M.S. 2014) – Non-invasive sampling and censusing of marine otters in Peru.
Daniel Tallent (M.S. 2012) – Genetic variation in the pds gene and its relation to fluridone resistance in Hydrilla verticillata.
Jenny Korstian (co-advisor with Dr. Amanda Hale) (M.S. 2012) – Genetic structure of migrating red bats in Texas.
Anna Frankel (M.S. 2011) – Multiple paternity in the endangered Kemp’s ridley sea turtle.
Natalia Quinteros (M.S. 2010) – Genetic structure of Polylepis multijuga Plige (Rosaceae) forests.
Meredith Hawkins (M.S. 2010) – Genetic structure of the endangered painted terrapin (Batagur borneoensis) in captive breeding programs.
Amber Grayjzck (M.S. 2009) – Evidence of clonal reproduction and high genetic variation in the exotic weed Hydrilla verticillata.
Undergraduate students
Gabby Ross (B.S. in process) – Sex ratios of silver-haired bat fatalities at a wind energy facility.
Lauren Doty (B.S. in process)- Characterizing microhabitats of Texas horned lizard nesting sites.
Kenedy Weakly (B.S. in process)- Genetic screening for an endangered island butterfly in the diet of anole lizards.
Kali Holfeld (B.S. in process) – Genetic screening for an endangered island butterfly in the diet of anole lizards.
Callie Ste. Marie (B.S. in process) – Detecting the presence of Texas horned lizards after reintroduction using scat.
Courtney Parks (B.S. 2023) – Genetic screening for an endangered island butterfly in the diet of anole lizards.
Maddie Rzucidlo (B.S. 2022) – Texas horned lizard microhabitat selection.
Ulysses Oles (B.S. 2022) – Detecting herbicide resistant mutations in hydrilla.
Michael Peterson (B.S. 2022) – Determining mtDNA haplotypes of captive Texas horned lizards.
Maegan Hatchett (B.S. 2022) – Determining mtDNA haplotypes of captive Texas horned lizards.
Toby Do (B.S. 2019) – Genetic basis of concealing coloration in Texas horned lizards.
Kara Scolman (B.S. 2019) – coadvised with Dr. Amanda Hale – Yellow bat fatalities at wind farms: What can we learn using genetic approaches?
Andrew Eberwein (B.S. 2019) – Genetic basis of concealing coloration in Texas horned lizards.
Jessica Yates (B.S. 2018) – DNA barcoding beetles in the diet of Texas horned lizards.
Jessie Farris (B.S. 2016) – Diet analysis of Texas horned lizards.
Mallory Melton (B.S. 2016) – Identifying individual Texas horned lizards using belly spots.
Sharon Fronk (B.S. 2015) – Diet determination of Texas horned lizards through fecal DNA analysis.
Shan Jiang (B.S. 2015) – Genetic typing of museum Texas horned lizards.
Ali Schildt (B.S. 2013) – Identification of bat species using fecal DNA from Wolf Ridge wind farm.
Maryam Arastu (B.S. 2012) – Paternity patterns in Brazilian peppertree.
William Fleischer (B.S. 2012) – DNA barcoding of bats killed by wind turbines.
Richard Fleischer (B.S. 2011) – Invasive Brazilian peppertree genetic diversity.
Megan Raetz (B.S. 2010) – Genetic diversity and taxonomy of Gulf Coast phragmites.
Karin Roehrs Ruiz (B.S. 2009 ) – Phylogeography of Brazilian peppertree.
Cory Leach (B.S. 2009) – Invasion genetics of purple swamphens.
Allison Hough (B.S. 2009) – Population structure of a potential biological control agent.
Melissa Fleischer (B.S. 2008) – Genetic diversity of wild vanilla.
Honors thesis
Izzie Galvan (B.S. in process) – Using DNA barcoding to identify predators of hatchling Texas horned lizards.
Lexi Winter (B.S. in process) – Determining parentage from hatched eggs of Texas horned lizards.
Naman Gill (B.S. in process) – Alligator weed chloroplast haplotypes in New Zealand and Australia.
Jeff Garvey (B.S. 2021) – Is the presence of Texas Horned Lizards related to the presence of single or multi-queen red invasive fire ant colonies?
Tu Huynh (B.S. 2017) – Determining ploidy levels in Hydrilla verticillata.
Kaitlyn Upton (B.S. 2017) – DNA Barcoding for diet items of Texas horned lizards.
Rachel Alenius (B.S. 2016) – Morphological and DNA diet analyses of Texas horned lizards in small towns.
Andrew Trinh (B.S. 2016) – Relationship of feces size to body mass in Texas horned lizards.
Kristin Scoggin (B.S. 2016) – Genetic typing of an extinct Texas horned lizard population from museum specimens.
Lizzie Do (B.S. 2015) – Analysis of yeast DNA sequences to determine unique yeast species to Texas that are optimal for distilling whiskey.
Tanner Campbell (B.S. 2014) – Genetic characterization of a new population of the critically endangered Puerto Rican crested toad.
John Cody (B.S. 2013) – Diet analysis of bats at a wind energy facility.
Carolina Granthon (B.S. 2012) – Genetic characterization of a new Lygodactylus gecko species from Kenya.
Lauren Langsjoen (B.S. 2012) – Fine-scale genetic patterns of brown jay mitochondrial d-loop variation.
Louis Ndupu (B.S. 2010) – Using ISSRs to identify the genetic structure of thrips.
Lab managers
Yael Benyamini – Yael joined the Williams Lab in 2012 as a research technician working mainly with bat fecal DNA analyses.
Megan Raetz – After graduating from TCU, Megan worked as research technician conducting research on the genetic diversity and taxonomy of Gulf Coast phragmites and thrips.
Emmanuela Mujica – Emma worked as a research technician studying Texas horned lizard genetic structure.
Visiting researchers
Chelsea Connor (Midwestern State University) – Dietary niche overlap of native and invasive anoles in Dominica.
Daniella Biffi (TCU) – Sustainable seafood initiatives in Peru: Exploring assumptions, Dietary niche overlap of native and invasive anoles in Dominica.
Sara Van Der Leek (Wayland Baptist University) – Fragmentation effects in Texas horned lizards.
Keri Barfield – Botanical Research Institute of Texas
Robert Arnold – Firestone & Roberson Distilling Co.
Williams Lab 