CRCritically Endangered

Small's yelloweyed grass

Xyris smalliana

Conservation status data sourced from the IUCN Red List of Threatened Species.

01Classification

Taxonomy & Classification

Kingdom

Plantae

Phylum

Tracheophyta

Class

Liliopsida

Order

Poales

Family

Xyridaceae

Genus

Xyris

Small's yelloweyed grass belongs to the family Xyridaceae, order Poales, within the Liliopsida class.

02Description

Species Profile

Species profile data sourced from the IUCN Red List of Threatened Species.

Small's yelloweyed grass faces severe threats from habitat loss due to wetland drainage, development, and agricultural conversion throughout its limited range in the southeastern United States. The species' specialized habitat requirements and small, fragmented populations make it extremely vulnerable to environmental changes and human disturbance.

Key Facts

IUCN StatusCritically Endangered (CR)
GroupPlants
03Habitat

Habitat & Distribution

Inhabits wet pine savannas, seepage slopes, bog margins, and seasonally flooded sandy or peaty soils in coastal plain wetlands. Typically found in acidic, nutrient-poor wetland areas that experience periodic flooding and drying cycles.

04Threats

Threats

!

IUCN Red List: Critically Endangered

Small's yelloweyed grass faces severe threats from habitat loss due to wetland drainage, development, and agricultural conversion throughout its limited range in the southeastern United States. The species' specialized habitat requirements and small, fragmented populations make it extremely vulnerable to environmental changes and human disturbance.

Habitat fragmentation

HighOngoing

Urban and agricultural development

HighOngoing

Wetland drainage and conversion

HighOngoing

Fire suppression disrupting natural cycles

MediumOngoing

Hydrological alterations

MediumOngoing
Community

Community Sightings

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07Sources

Sources & Attribution

How to Cite

IUCN: IUCN (2025). The IUCN Red List of Threatened Species. Version 2025-1. Available at: https://www.iucnredlist.org. doi:10.2305/IUCN.UK.2025-1.RLTS

GBIF: GBIF.org (2025). GBIF Home Page. Available at: https://www.gbif.org

This page: SpeciesRadar (2025). Small's yelloweyed grass (Xyris smalliana). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/smalls-yelloweyed-grass

Full citation guide & data usage terms