Jenn Yost

Education

B.S., Cal Poly State University
M.S., Cal Poly State University
Ph.D. University of California, Santa Cruz

Research Interests

• Botany
• Urban trees
• Collections research
• Biodiversity data science
• Plant speciation
• Plant systematics
• Plant evolution and adaptation

Projects

• The California Consortia of Herbaria
• Capturing California's Flowers
• Symbiota

Publications

J.Ventura, C. Pawlak, M. Honsberger, C. Gonsalves, J. Rice, N. Love, S. Han, V.Nguyen, K. Sugano, J. Doremus, A. Fricker, J.Yost, M. Ritter.  2024. Individual tree detection in large-scale urban environments using high-resolution multispectral imagery. International Journal of Applied Earth Observation and Geoinformation. 130: 103848. https://doi.org/10.1016/j.jag.2024.103848

R. Guralnick, R. LaFrance, M. Denslow, S. Blickhan, M. Bouslog, S. Miller; J. Yost, J. Best, D. Paul, E. Ellwood, E. Gilbert, J. Allen. 2024. Humans in the Loop: Citizen science and machine learning synergies for overcoming herbarium digitization bottlenecks.  Applications in Plant Sciences. http://dx.doi.org/10.1002/aps3.11560

Zell, A., J. Yost, M. Ritter, and D. Grossenbacher.  2023. Phenotypic variation in seep monkeyflowers along a fine scale soil moisture gradient. Madrono: 70 (3): 138-150. https://doi.org/10.3120/0024-9637-70.3.138

P. Rendon, N. Love, C. Pawlak, J. Yost, M. Ritter, J. Doremus. 2023. Street Tree Diversity and Urban Heat. Urban Forestry and Urban Greening. 91: 128180. https://doi.org/10.1016/j.ufug.2023.128180

C. Pawlak, N. Love, J.Yost, G. A. Fricker, J.Doremus, M.Ritter.  2023. California’s Native Trees and Their Use in the Urban Forest. Urban Forestry & Urban Greening. doi.org/10.1016/j.ufug.2023.128125

Pearson K. and J. Yost. 2023. Digitized herbarium specimens as keystones of grassland research. Grasslands. 62 (4): 6-9

Kenny, R., J. West, D. Nuebauer, J. M. Yost, D. Grossenbacher, and M. Ritter. 2023. A Floristic study of Swanton Pacific Ranch, Santa Cruz County, California. Madroño. 69(2) doi.org/10.3120/0024-9637-69.2.139

Love, N. L. R., V. Nguyen, C. Pawlak, A. Pineda, J. L. Reimer, J. M. Yost, G. A. Fricker, J. Ventura, J. Doremus, T. Crow, and M. Ritter. 2022. Diversity and structure in California’s urban forest: What over six million data points tell us about one of the world’s largest urban forests. Urban Forestry & Urban Greening 74: 127679. https://doi.org/10.1016/j.ufug.2022.127679

Giacinto J.J., Fricker G.A., Ritter M., Yost J., and Doremus J. 2021. Urban forest biodiversity and cardiovascular disease: Potential health benefits from California's street trees. PLoS One 16(11). https://doi.org/10.1371/journal.pone.0254973

Pearson, K., N. Love, T. Ramirez-Parada, S. Mazer, and J. M. Yost.  2021. Phenological trends in the California poppy (Eschscholzia californica): Digitized herbarium specimens reveal intraspecific variation in the sensitivity of flowering date to climate change. Madroño. 68(4). https://doi.org/10.3120/0024-9637-68.4.343

Yost J.M., S. Wise, N. Love, D.A. Steane, R. Jones, M. Ritter, and B.M. Potts. 2021. Origins, Diversity and Naturalization of Eucalyptus globulus (Myrtaceae) in California.  Forests: 12 (8). https://doi.org/10.3390/f12081129

Nelson, K., S. Bisbing, D. Grossenbacher, M. Ritter, and J.M. Yost.  2021. Testing an invasion mechanism for Eucalyptus globulus: Is there evidence of allelopathy? American Journal of Botany. 108(4):1-9. doi:10.1002/ajb2.1635 

Kenny, R., J. West, H. Johnson, J.M. Yost, and M. Ritter. 2021.  A New Combination in Sanicula crassicaulis (Apiaceae).  Madroño. 69 (1): 102-110

J. Yost, K. Pearson, J. Alexander et al. 2020. The California Phenology Collections Network: Using digital images to investigate change in a biodiversity hotspot. Madrono. 66(4): 130-141. https://doi.org/10.3120/0024-9637-66.4.130 

Sapp, J., J.M. Yost, B. Lyon. 2020. Microsatellite evidence for host races and kinship among neighbors in a social parasite (Polyergus mexicanus). Molecular Ecology. 29(5689) DOI: 10.1111/mec.15468 

Titouan, L., K. Pearson, L. Ellwood, H. Goeau, J.F. Molino, P. Sweeney, J.M. Yost, J. Sachs, E. Mata-Montero, G. Nelson, P. Soltis, P. Bonnet, and A. Joly. 2019. Toward a large-scale and deep phenological stage annotation of herbarium specimens: Case studies from temperate, tropical, and equatorial floras. Applications in Plant Sciences.  7(3): e1233.  DOI: 10.1002/aps3.1233

Crow, T., Yost, J.M., Huang, M., Ritter, M.  2019. Asymmetrical selection maintains heritable phenotypic variation between two subspecies of Monardella villosa. American Journal of Botany. 106(5): 704–712. doi:10.1002/ajb2.1287

Yost, J.M., P. W. Sweeney, E. Gilbert, G. Nelson, R. Guralnick, A. S. Gallinat, et al.  2018. Digitization Protocol for Scoring Phenology from Herbarium Specimens of Seed Plants. Applications in Plant Sciences. 6(2): e1022

Harenčár J.G., G. Lutgen, Z. Taylor, N. Saarman, and J.M. Yost. 2018. How population decline can impact population genetics: A case study of eelgrass (Zostera marina) in Morro Bay. Estuaries and Coasts. 41(8), 2356-2367

Rossington, N., J. M. Yost, and M. Ritter. 2018. Soil water availability influences small-scale species distribution on serpentine soils. Madroño. 65(2): 68-79.

Willis, C.G., E. Ellwood, R.B. Primack, C.C. Davis, K.D. Pearson, A.S. Gallinat, J.M. Yost, G. Nelson, S.J. Mazer, N.L. Rossington, T.H. Sparks, and P.S. Soltis. 2017. Old Plants, New Tricks: Phenological Research Using Herbarium Specimens. Trends in Ecology & Evolution. 32(7): 531-546. Available at: http://dx.doi.org/10.1016/j.tree.2017.03.015

Johns, J., J.M. Yost, B. Igic, D. Nicole, and M. Ritter. 2017. Worldwide hemisphere-dependent lean in Cook pines. Ecology. 98: 2482–2484.

Stucky, B.J., J. Deck, E. Denny, R.P. Guralnick, R.L. Walls, and J.M. Yost. 2016. The Plant Phenology Ontology for Phenological Data Integration. Proceedings of the Joint International Conference on Biological Ontology and BioCreative. CEUR-ws.org Volume 1747. http://icbo.cgrb.oregonstate.edu/node/326