Resources and Articles

Slides from my Friends of the Library Annual Meeting talk October 2023.  Ison_FOLtalkOct1223_Slides

A talk I gave at virtual Botany 2020 conference on my experience mentoring undergraduate research students:

Companion handout to the above talk with advice to new research mentors and research students from former students. PDF

Fall 2019 independent study (IS) syllabus PDF


Pearson AE*, Z Zelman*, LA Hill*, MA Stevens*, EX Jackson*, MMN Incarnato*, RM Johnson*, S Wagenius, JL Ison. 2023. Pollinators differ in their contribution to the male fitness of a self-incompatible composite. American Journal of Botany. 110(6): e16190. Part of a Special Issue: Pollen as the Link Between Phenotype and Fitness PDF  Journal webpage

Reed, W*, JL Ison, A Waananen, FH Shaw, S Wagenius, and RG Shaw. 2022. Genetic variation in reproductive timing in a long-lived herbaceous plant. American Journal of Botany. 109(11):1861-1874. Part of a Special Issue: Approaches to the Study of Quantitative Fitness-Related Traits  PDF Journal webpage

Page, ML*, JL Ison (co-first authors), A Bewley*, K Koch*, A Kaul*, K Kolis*, K Holsinger*, and S Wagenius. 2019. Pollinator effectiveness in a composite: a specialist bee pollinates more florets but does not move pollen farther than other pollinators. American Journal of Botany. 106 (11): 1487-1498. PDF Picked by the Editor in Chief as a ‘noteworthy article’ in the November 2019 issue . Noteworthy articles highlight Journal webpage

Ison, JLt, ESL Tuan* ’18 (co-first authors), MH Koski, JS Whalen* ’18, and LF Galloway. 2019. The role of pollinator preference in the maintenance of pollen color variation. Annals of Botany. PDF Journal webpage

Ison, JL, LJ Prescott* ’17 (co-first authors), SW Nordstrom, A Waananen, and S Wagenius. 2018. Pollinator-mediated mechanisms for increased reproductive success in early flowering plants. Oikos. (doi:10.1111/oik.04882) . PDF Journal webpage

Koski, MH, JL Ison, A Padilla* ’18, AQ Pham*, and LF Galloway. 2018. Linking pollinator efficiency to patterns of pollen limitation: small bees exploit the plant-pollinator mutualism. Proceedings to the Royal Society B. 285: 20180635. PDF Journal webpage

Waananen A, G Kiefer, JL Ison and S Wagenius. 2018. Mating opportunity increases with synchrony of flowering among years more than synchrony within years in a nonmasting perennial. The American Naturalist. 192 (3): 379-388. PDF Journal webpage

Ison, JL and AE Weis. 2017. Temporal population genetic structure in the pollen pool for flowering time: A field experiment with Brassica rapa (Brassicaceae). American Journal of Botany 104 (10): 1569–1580. PDF Picked by the Editor in Chief as a ‘noteworthy article’ in the October 2017 issue.  Journal webpage

Parker, AJ, JL Tran*, JL Ison, JDK Bai*, AE Weis, and JD Thomson. 2015. Grooming reduces pollen quality on corbiculate bees but not non-corbiculate bees. Arthropod-Plant Interactions. 9(2) 197-203. PDF  Journal webpage

Ison, JL and S Wagenius. 2014. Both flowering time and spatial isolation affect reproduction in Echinacea angustifolia. Journal of Ecology. 201(4) 920-929. PDF Journal webpage

Ison, JL, S Wagenius, DR Reitz*, and MV Ashley. 2014. Mating between Echinacea angustifolia (Asteraceae) individuals increases with their flowering synchrony and spatial proximity. American Journal of Botany. 101(1) 180-189. PDF Journal webpage

Ison, JL, S Wagenius, DR Reitz*, and MV Ashley. 2013. Development and evaluation of microsatellite markers for a native prairie perennial, Echinacea angustifolia (Asteraceae). Applications in Plants Sciences. 1(11) 1300049. PDF Journal webpage

Gulezian, PZ, JL Ison, and KJ Granberg. 2012. Establishment of an invasive plant species (Conium maculatum) in contaminated roadside soil in Cook County, Illinois. The American Midland Naturalist. 168(2): 375-395. PDF Journal webpage

Olfelt, JP, DP Olfelt, and JL Ison. 2009. Revegetation of a trampled cliff-edge using three-toothed cinquefoil and poverty grass: a case study at Tettegouche State Park, Minnesota. Ecological Restoration. 27(2): 200-209. PDF Journal webpage

Kramer, AT, JL Ison, MV Ashley, and HF Howe. 2008. The paradox of forest fragmentation genetics. Conservation Biology. 22(4): 878-885. PDF Journal webpage

* = undergraduate student researcher

Google Scholar page


Leventhal, LC*, JDK Bai, M Peters, EJ Austen, AE Weis, JL Ison. 2020. Pollen movement and selection on phenological traits within time and space in self-incompatible annual, Brassica rapa. American Society of Naturalists Annual Meeting. PDF

Ison, JL, LC Leventhal*, EX Jackson*, ML Page, MA Stevens*, ZP Zelman*, S Wagenius. 2019. Measuring pollinator effectiveness in composites: A case study with Echinacea angustifolia and native bees. The Botanical Society of America Annual Meeting. PDF

Ison, JL, ESL Tuan*, MH Koski, JS Whalen*, A Padilla, LF Galloway. 2018. Pollinators prefer purple pollen, but there is a perplexing prevalence of non-purple pollen. The Botanical Society of America Annual Meeting. PDF

Ison, JL, LJ Prescott*, SW Nordstrom, A Waananen, S Wagenius. 2017. The early flower attracts the bee: consequences and mechanisms of phenological isolation in plants. Society for the Study Evolution’s Annual Meeting & Janet Meakin Poor Symposium at The Chicago Botanic Garden. PDF

Stevens M*, LC Leventhal*, and JL Ison. 2019. Native bees vary in quantity but not quality of conspecific pollen carried. The Botanical Society of America annual meeting. PDF

Prescott, L*, JL Ison. 2017. When to Move on: Generalist Pollinators Exhibit a Temporal Decrease in Floral Fidelity Towards a Common Prairie Perennial, Echinacea angustifolia. Society for the Study Evolution’s Annual Meeting. PDF

* = undergraduate student researcher

Useful links!

The College of Wooster’s Biology Department

Echinacea Project

Echinacea project’s YouTube channel

Ison Lab’s YouTube channel

RWW Greenhouse