Gerould S. Wilhelm (born 1948) is an American

botanist Botany, also called , plant biology or phytology, is the science of plant life and a branch of biology. A botanist, plant scientist or phytologist is a scientist who specialises in this field. The term "botany" comes from the Ancient Greek wo ...

and lichenologist. He is known as author of several

floras Flora is all the plant life present in a particular region or time, generally the naturally occurring (indigenous) native plants. Sometimes bacteria and fungi are also referred to as flora, as in the terms '' gut flora'' or '' skin flora''. E ...

of the Chicago Region and the development of the

Floristic Quality Assessment Floristic Quality Assessment (FQA) is a tool used to assess an area's ecological integrity based on its plant species composition. Floristic Quality Assessment was originally developed in order to assess the likelihood that impacts to an area "woul ...

methodology, a tool to assess the integrity of natural areas. He is the director of research at Conservation Research Institute, a

nonprofit organization A nonprofit organization (NPO) or non-profit organisation, also known as a non-business entity, not-for-profit organization, or nonprofit institution, is a legal entity organized and operated for a collective, public or social benefit, in co ...

"dedicated to the promotion of planning, design, restoration, and long-term management of sustainable ecological systems in built and natural environments through applied research, education, and outreach."

Selected publications

* * * * * * * * *

References

{{DEFAULTSORT:Wilhelm, Gerould American lichenologists 1948 births Botanists active in North America 20th-century American botanists 21st-century American botanists Living people Florida State University alumni Southern Illinois University Carbondale alumni