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Berlandiera macvaughii

B.L. Turner

McVaugh's Greeneyes

G1Critically Imperiled (G1Q) Found in 1 roadless area NatureServe Explorer →
G1Critically ImperiledGlobal Rank
UnknownThreat Impact
Identity
Unique IDELEMENT_GLOBAL.2.1194220
Element CodePDAST170B0
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicendemic to a single nation
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderAsterales
FamilyAsteraceae
GenusBerlandiera
Concept Reference
Turner, B.L. 2014. Texas taxa of the genus Berlandiera (Asteraceae: Heliantheae). Phytologia 96(4): 235-240.
Taxonomic Comments
Berlandiera macvaughii was described as a new taxon in 2014 (Turner), after the publication of Flora North America vol. 21 authored by D. J. Pinkava. Turner (2014) indicates that the material recognized as B. macvaughii was likely included in the broad sense of B. lyrata in previous treatments.
Conservation Status
Rank Method Rank calculation - Biotics v2
Review Date2025-01-28
Change Date2025-01-28
Edition Date2025-01-28
Edition AuthorsSoteropoulos (2025)
Threat ImpactUnknown
Range Extent100-250 square km (about 40-100 square miles)
Number of Occurrences6 - 20
Rank Reasons
Berlandiera macvaughii is a perennial herb in limestone rock outcrops occurring in south-central United States in New Mexico and Texas in the Trans-Pecos region. Research into the validity of this taxon is warranted as it may be a form of B. lyrata or disjunct population of B. monocephala. If it is a valid taxon, it is a rare species known from perhaps nine occurrences, and information about threats and trends is unknown.
Range Extent Comments
Berlandiera macvaughii occurs in south-central United States in New Mexico and Texas in the Trans-Pecos where it has been documented in the Brokeoff, Glass, Guadalupe, and Sierra Madera Mountains and the following counties: Eddy and Otero, New Mexico and Brewster and Culberson, Texas (Turner 2014, McGrath 2022, SEINet 2025). Range extent was estimated to be 113 square kilometers using herbarium specimens, photo-based observations, and NatureServe Network occurrence data documented between 1989 and 2025 (iNaturalist 2025, NatureServe 2025, SEINet 2025).
Occurrences Comments
By applying a 1 km separation distance to herbarium specimens, photo-based observations, and NatureServe Network occurrence data documented between 1989 and 2025, it is estimated that there are nine occurrences rangewide (iNaturalist 2025, NatureServe 2025, SEINet 2025).
Threat Impact Comments
Although threats are not widely documented, this species is potentially threatened by recreational activities, invasive species, climate change, and other threats in some places.
Ecology & Habitat

Habitat

Berlandiera macvaughii grows in "limestone rock outcrops and soils derived from limestone in mountainous terrain at elevations between 5,150 to 7,648 ft." (McGrath 2022).
Terrestrial Habitats
Bare rock/talus/screeCliff
Other Nations (1)
United StatesN1
ProvinceRankNative
TexasS1Yes
New MexicoS1Yes
Threat Assessments
ThreatScopeSeverityTiming
Unknown/undetermined———

—

Plant Characteristics
DurationPERENNIAL
Economic Value (Genus)No
Roadless Areas (1)
New Mexico (1)
AreaForestAcres
South Guadalupe MountainsLincoln National Forest20,930
References (5)
  1. iNaturalist. 2025. Online. Available: https://www.inaturalist.org (accessed 2025).
  2. McGrath, J. 2022. New Mexico Rare Plants: <i>Berlandiera macvaughii</i>. New Mexico Rare Plant Technical Council. Online. Available: https://nmrareplants.unm.edu/node/774 (accessed 2025).
  3. NatureServe. 2025. NatureServe Network Biodiversity Location Data. NatureServe, Arlington, Virginia.
  4. Southwest Environmental Information Network (SEINet). 2025. Collections Databases. Online. Available: https://swbiodiversity.org/seinet/collections/index.php (accessed 2025).
  5. Turner, B.L. 2014. Texas taxa of the genus <i>Berlandiera</i> (Asteraceae: Heliantheae). Phytologia 96(4): 235-240.