American Buckeye vs

Aesculus glabra compared with Coleroa chaetomium

Key Differences

• American Buckeye is Least Concern while is Not Evaluated.

Taxonomic Classification

Rank	American Buckeye
Kingdom	Plantae (Plants)	Fungi (Fungi)
Phylum	Magnoliophyta (Flowering Plants)	Ascomycota (Sac Fungi)
Class	Magnoliopsida (Dicots)	Dothideomycetes (Dothideomycetes)
Order	Sapindales (Sapindales)	Venturiales (Venturiales)
Family	Sapindaceae	Venturiaceae
Genus	Aesculus	Coleroa
Species	Aesculus glabra	Coleroa chaetomium

Conservation Status

American Buckeye

LC — Least Concern

NE — Not Evaluated

Physical Characteristics

Attribute	American Buckeye
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

American Buckeye

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found in United States.

Habitat

Native to Asia and Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and Taiwan.

American Buckeye

The American Buckeye (Aesculus glabra) is a species in the genus Aesculus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Coleroa chaetomium is a phytopathogenic ascomycete fungus in the family Phacidiaceae (order Rhytismatales), recognized as a cause of leaf spot diseases on various herbaceous plants and grasses. Members of the genus Coleroa produce characteristic black, setose (bristle-bearing) apothecia on infected plant tissue, serving as the primary identification feature. The fungus overwinters in dead plant material, releasing ascospores in spring to infect new growth. While typically regarded as a minor pathogen or saprophyte on senescent tissue, it can occasionally cause significant spotting and premature leaf drop under favorable conditions of high moisture and moderate temperatures. Coleroa chaetomium has been recorded from a range of host plants across temperate regions of Europe and North America, with some records extending to other continents. Its taxonomy has been subject to revision as molecular techniques clarify relationships within the Rhytismatales. The ecological role of Coleroa species includes contributing to the decomposition of plant litter and nutrient cycling in terrestrial ecosystems, functioning at the interface between parasitism and saprotrophism. More detailed ecological studies of this fungus remain limited compared to economically significant pathogens.