The Flora of Missouri project cataloged the phytoliths of 117 species native to Missouri, using material from specimens in Iowa State University’s Ada Hayden Herbarium

The physical reference collection is permanently housed in the Ada Hayden Herbarium. The digital reference collection, consisting of more than 500 images, is available via the PhytCore database by selecting “Ada Hayden Herbarium” under the Research Group dropdown menu.

Aristida adscensionisLiatris mucronata