Coastalplain Yelloweyed Grass
Xyris ambigua
Xyris ambigua, the coastal plain yelloweyed grass, is a North American species of flowering plant in the yellow-eyed-grass family. It is native to southern and eastern Mexico, Central America, Cuba, and the southeastern and south-central United States.
Photo: iNaturalist: (c) Vitaly Charny, some rights reserved (CC BY-NC), uploaded by Vitaly Charny
Taxonomy & Classification
Kingdom
Plantae
Phylum
Tracheophyta
Class
Liliopsida
Order
Poales
Family
Xyridaceae
Genus
Xyris
Coastalplain Yelloweyed Grass belongs to the family Xyridaceae, order Poales, within the Liliopsida class.
Species Profile
Xyris ambigua, the coastal plain yelloweyed grass, is a North American species of flowering plant in the yellow-eyed-grass family. It is native to southern and eastern Mexico, Central America, Cuba, and the southeastern and south-central United States.
Coastalplain Yelloweyed Grass faces severe population declines primarily due to habitat loss from coastal development, agricultural conversion, and wetland drainage. The species' specialized habitat requirements and limited distribution make it particularly vulnerable to human activities that alter or destroy its native wetland ecosystems.
Key Facts
Threats
IUCN Red List: Endangered
Coastalplain Yelloweyed Grass faces severe population declines primarily due to habitat loss from coastal development, agricultural conversion, and wetland drainage. The species' specialized habitat requirements and limited distribution make it particularly vulnerable to human activities that alter or destroy its native wetland ecosystems.
Agricultural conversion and land use change
Coastal development and urbanization
Wetland drainage and hydrological alteration
Climate change and sea level rise
Invasive species competition
Community Sightings
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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). Coastalplain Yelloweyed Grass (Xyris ambigua). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/coastalplain-yelloweyed-grass