Abstract: This checklist includes all vascular plant species documented in Fountain, Gibson, Knox, Parke, Posey, Sullivan, Tippecanoe, Vermillion, Vigo, and Warren Counties, via digitized herbarium specimens on the Consortium of Midwest Herbaria, as well as via published records from 100 Years of Change in the Distribution of Common Indiana Weeds, An Annotated Checklist of the Plants of Tippecanoe County, Indiana, the Indiana Department of Natural Resources, the USDA PLANTS Database, and articles from the Proceedings of the Indiana Academy of Science. All records are from prior to the year 2022.
Updated during 2023.
References:
Aldrich, J.R., & Homoya, M.A. 1983. Natural Barrens and Post Oak Flatwoods in Posey and Spencer Counties, Indiana. Proceedings of the Indiana Academy of Science 93: 291-301.
Aldrich, J.R., et al. 1986. The Discovery of Native Rare Vascular Plants in Northern Indiana. Proceedings of the Indiana Academy of Science 95: 421-428.
Consortium of Midwest Herbaria. 2022. At https://midwestherbaria.org/portal/index.php. (Accessed 1 January 2022).
Ebinger, J.E., & Bacone, J.A. 1980. Vegetation Survey of Hillside Seeps at Turkey Run State Park. Proceedings of the Indiana Academy of Science 90: 390-394.
Homoya, M.A. 1982. Additions to the Flora of Southern Indiana. Proceedings of the Indiana Academy of Science 92: 379-382.
Homoya, M.A. 1987. Additions to the Flora of Southern Indiana, III. Proceedings of the Indiana Academy of Science 97: 449-452.
Homoya, M.A., & Abrell, D.B. 1986. Recent Additions to the Flora of Southern Indiana. Proceedings of the Indiana Academy of Science 95: 429-432.
Homoya, M.A., et al. 1995. Additions to the Flora of Southern Indiana, V and VI. Proceedings of the Indiana Academy of Science 104: 213-221.
Indiana Department of Natural Resources. 2022. Indiana County Endangered, Threatened and Rare Species List. At https://www.in.gov/dnr/nature-preserves/heritage-data-center/endangered-plant-and-animal-species/county/. (Accessed 26 February 2022).
Jackson, M.T., et al. 1975. Additions to the Flora of Vigo County, Indiana I. Proceedings of the Indiana Academy of Science 85: 354-359.
Mark, R, & Scott, A.G. 2004. An Inventory of the Herbaceous Plants of the Twin Swamps Nature Preserve, Posey County, Indiana. Proceedings of the Indiana Academy of Science 113(1): 17-25.
McCain, J.W. 1994. An Annotated Checklist of the Plants of Tippecanoe County, Indiana: A list of the flowering plants, gymnosperms, ferns and fern allies, bryophytes, algae, fungi, and lichens without cultivation in Lafayette and its vicinity. Sycamore Audubon Society, West Lafayette, Indiana.
McClain, W.E. 1980. Additions to the Flora of Gibson County, Indiana. Proceedings of the Indiana Academy of Science 90: 395-397.
McClain, W.E. 1980. Additions to the Flora of Vermillion County, Indiana. Proceedings of the Indiana Academy of Science 90: 398-402.
McClain, W.E. 1983. Additions to the Flora of Sullivan County, Indiana. Proceedings of the Indiana Academy of Science 93: 343-348.
Overlease, E., & Overlease, W. 2006. 100 Years of Change in the Distribution of Common Indiana Weeds. Purdue University Press, West Lafayette, Indiana. 248 pp.
Post, T.W. 1984. Additions to the Flora of Pike and Gibson Counties, Indiana. Proceedings of the Indiana Academy of Science 94: 455-456.
Post, T.W., et al. 1985. Gravel Hill Prairies of Indiana. Proceedings of the Indiana Academy of Science 94: 457-463.
Scott, R.K. 2009. The Vascular Flora of Turkey Run State Park, Fountain County, Indiana. Proceedings of the Indiana Academy of Science 118(1): 55-75.
Tonkovich, G.S., & Sargent, M.L. 1993. The Vascular Plants of Fall Creek Gorge Nature Preserve, Warren County, Indiana. Proceedings of the Indiana Academy of Science 102: 9-45.
USDA, NRCS. 2022. The PLANTS Database. At http://plants.usda.gov. (Accessed 1 January 2022).
