(Vasey) Scribn. & Ball
Identity
Unique IDELEMENT_GLOBAL.2.806789
Element CodePMPOA2H1Y0
Record TypeSPECIES
ClassificationSpecies
Classification StatusProvisional
Name CategoryVascular Plant
Endemicendemic to a single nation
KingdomPlantae
PhylumAnthophyta
ClassMonocotyledoneae
OrderCyperales
FamilyPoaceae
GenusElymus
SynonymsElymus virginicus var. glabriflorus(Vasey) Bush
Other Common Namessoutheastern wildrye (EN) Southeastern Wildrye (EN)
Concept ReferenceFlora of North America Editorial Committee (FNA). 2007a. Flora of North America north of Mexico. Vol. 24. Magnoliophyta: Commelinidae (in part): Poaceae, part 1. Oxford Univ. Press, New York. xxviii + 911 pp.
Taxonomic CommentsKartesz (1999) includes Elymus glabriflorus in his Elymus virginicus var. virginicus. According to Flora of North America (2007), E. glabriflorus is "found in most of the southeastern United States, extending north to Iowa, Illinois, Indiana, West Virginia, and along the Atlantic coast to Maine; it is rare north of Maryland." Flora of North America (2007) also notes that E. glabriflorus forms occasional hybrids with E. macgregorii and E. virginicus.
Conservation Status
Rank Method Rank calculation - Biotics v2
Review Date2024-08-13
Change Date2024-08-13
Edition Date2024-08-13
Edition AuthorsJohnson, J. (2024)
Threat ImpactUnknown
Range Extent>2,500,000 square km (greater than 1,000,000 square miles)
Number of Occurrences> 300
Rank ReasonsElymus glabriflorus is a perennial grass that is found in the eastern United States. With a large range extent, more than 600 occurrences, abundant habitat, and broad habitat preferences, this species is considered secure.
Range Extent CommentsElymus glabriflorus is found in most of the southeastern United States, extending north to Iowa, Illinois, Indiana, West Virginia, and along the Atlantic coast to Maine; it is rare north of Maryland (FNA 2007). Range extent was estimated using herbarium specimens and photo-based observations documented between 1993 and 2024 (GBIF 2024, iNaturalist 2024, SEINet 2024).
Occurrences CommentsBy applying a 1 km separation distance to herbarium records and photo-based observations documented between 1993 and 2024, it is estimated that there are more than 600 occurrences rangewide(GBIF 2024, iNaturalist 2024, SEINet 2024).
Threat Impact CommentsAlthough threats are not widely documented, Elymus glabriflorus is potentially threatened by development, road maintenance, invasive species, and other threats in some places. However, their overall impact is likely negligible given the species' broad range, large number of occurrences, tolerance of light disturbance, and affinity for typically abundant habitats, as well as no obvious intrinsic vulnerabilities.