Investigating Plant and Fungal Diversity

Rapid land use and environmental change have the potential to eliminate species before they can be identified, yet understanding the diversity of ecosystems is essential in optimizing habitat restoration and management. Understanding the diversity and evolutionary history of plants and fungi provides the historical context that enriches our appreciation of the diversity that is found in native habitats.  

Diversity and Biogeography of Southern Neotropical Oak Associated Macrofungi

Diversity and Biogeography of Southern Neotropical Oak Associated Macrofungi

The creation of the Isthmus of Panama approximately 3 Ma provided the opportunity for the southern and northern migrations of animals, fungi, and plants known as the Great American Biotic Interchange. Historical biogeography has largely focused on the fauna and flora of the region in relation to this event. There is no comprehensive study of how important geological events such as this shaped the diversity of organisms in soil communities where organisms like fungi and microbes engage in biotrophic and saprotrophic ecological interactions with the animal and plant communities.

Building Capacity, Awareness, and Partnerships for Fungal Conservation

Building Capacity, Awareness, and Partnerships for Fungal Conservation

Fungi are critical for society, both through direct impacts on human health and the economy and through their intimate involvement in most essential environmental processes. However, even though they are not immune to the stressors that threaten animals and plants, including habitat loss, over harvesting, and climate change, fungi are often not included in conservation discussions, planning, or action.

Evolution of Schiedea, a Genus Endemic to the Hawaiian Islands

Schiedea

Schiedea is a genus of 34 species in the carnation family (Caryophyllaceae) that is found only in the Hawaiian Islands. This genus of plants is known for having an extraordinary diversity of reproductive systems and serves as an excellent model to study how these systems evolved, particularly in the context of island biology. However, many of these species are threatened or endangered, and two have already gone extinct. In this project, we are using DNA sequence data to understand how these plants evolved and to form the foundation of future conservation efforts.

Drivers of Wetland Diversity and Ecosystem Functions

Drivers of Wetland Diversity and Ecosystem Functions

Wetlands are very diverse and support several threatened and endangered species. Yet, they are among the most stressed ecosystems in the world. To support their conservation and prioritize interventions where they are most needed, it is critical to quantify wetland plant diversity and identify its drivers. This project uses different indicators derived from satellite imagery to estimate the plant diversity of wetland sites across the conterminous United States.

Chicago Nature: Map Your Neighborhood

In partnership with The Nature Conservancy, we are working to harvest and map open-sourced community science data submitted through Budburst and iNaturalist applications in Cook and Lake Counties (Illinois), as well as existing collections data from local herbaria and animal collections. This project has two major goals: determining how (1) the ecological community context (e.g.

Genetic Variation in Small Isolated Populations and their Capacity for Ongoing Adaptation

Genetic Variation in Small Isolated Populations

In the 1800s, grasslands of North America were vast. Since then, about 99 percent of the tallgrass prairie has been destroyed. The small, isolated patches of prairie that remain harbor many plant species; yet, rates of local plant extinctions are alarmingly high. This long-term project investigates why some populations go extinct and others persist in the face of changing environmental conditions. We focus on two evolutionary processes affecting a model prairie plant species, a purple coneflower, Echinacea angustifolia: adaptation and inbreeding depression.

Revision of the Genus Artocarpus (Moraceae)

jackfruit market

With a National Science Foundation grant, the Chicago Botanic Garden is working with international collaborators in Southeast Asia to study the distribution and evolution of an economically important group of plants. With approximately 70 species, Artocarpus is the third largest genus in the plant family that contains figs and mulberries (Moraceae). Artocarpus contains numerous economically important species (grown for timber and fruit) native to Southeast Asia. Two species, jackfruit and breadfruit, are cultivated throughout the tropics.

Fossil Plants in Mongolia

Camping

Mongolia has an abundance of fossil deposits that date to the early Cretaceous (approximately 100 to 130 million years ago), when flowering plants first appeared in the fossil record and then rapidly diversified. The fossil record is the best source of evidence to document the origin and early evolution of a group of plants such as the angiosperms. Although much paleontology work has been done in Mongolia searching for dinosaurs, very little field work and research on fossil plants has been undertaken there.

Evolutionary Relationships and Fossil History in the Legume Family

legumes

The legume family, which includes important crop plants (e.g., beans, peas, and soybeans) and many other economically important species, is the third largest plant family, with approximately 800 genera and over 19,000 species found in all parts of the world. In addition to being a source for economically important plants, the family is also important because legumes dominate many tropical ecosystems.

The Moss Tree of Life

research trip in Costa Rica

Pleurocarpous mosses are traditionally defined as having short, lateral reproductive branches. Pleurocarps (Hypnanae) compose the most speciose lineage of mosses, a result of an explosive radiation during the Jurassic period, at a time when flowering plants began to dominate many terrestrial environments. Repeated multidirectional habitat transitions occurred as this group evolved, leading to the loss of morphological characters that may be used to describe groups.