Muhlenbergia mexicana

Family (Traditional)Poaceae
Species:Muhlenbergia mexicana (L.) Trin.
Common NameMexican Muhly
Growth Habitgraminoid
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Duration: Perennial; General Ecology: Terrestrial; Growth Habit: graminoid; Region of Origin: North America; Reproductive Phenology: September; Reproductive Phenology: October; Leaf Arrangement: alternate; Leaf Arrangement: basal; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Persistance: Deciduous; Leaf Petiole Type: sessile; Leaf Type: grass-like; Leaf Venation: parallel; Leaflet Margins: entire; Leaflet Number: 0; Base Flower Color: Brown (incl. Maroon); Base Flower Color: Green; Fruit Dehiscence: No; Fruit Type: Caryopsis; Fruit Type: Grain; Fruit Wet/Dry: Dry; Hypanthium Present: No; Ovary Position: Superior; Overall Flower Symmetry: N/A; Perianth Present: No; Placentation Type: Parietal; Placentation Type: Basal; Sexuality: monoclinous; Sporangium Arrangement: N/A
C value 4
StatusNative; AGCP (FAC), EMP (FACW) (NWPL); TN[SU] (State Rank); G5 (Global Rank)
Specimen(s) View and Download Specimen Details »

** Not applicable or data not available.

Species Distribution Map

This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display the its name. Click the question mark icon () to view additional information about the ecoregions shown. In the map legend, there are links to toggle the visibility of the ecoregions and/or their labels. In addition, clicking on an ecoregion name will highlight that region on the map.

  • State Boundaries
  • Counties
  • Counties - Species Present
  • Southeastern Plains
    • Blackland Prarie
  • Blue Ridge Mountains
  • Ridge and Valley
  • Cumberland Plateau
  • Cumberland Mountains
  • Allegheny Plateau
  • Interior Plateau
    • Bluegrass Region
    • Nashville Basin
    • Pennyroyal Karst Plain
    • Western Highland Rim
    • Eastern Highland Rim


SynonymFull Citation
Agrostis mexicana Agrostis mexicana L.
Cinna mexicana Cinna mexicana (L.) P. Beauv.
Muhlenbergia ambigua Muhlenbergia ambigua Torr.
Muhlenbergia foliosa Muhlenbergia foliosa (Roem. & Schult.) Trin.
Muhlenbergia foliosa subsp. ambigua Muhlenbergia foliosa subsp. ambigua (Torr.) Scribn.
Muhlenbergia foliosa subsp. setiglumis Muhlenbergia foliosa subsp. setiglumis (S. Wats.) Scribn.
Muhlenbergia foliosa var. setiglumis Muhlenbergia foliosa var. setiglumis
Muhlenbergia mexicana f. mexicana Muhlenbergia mexicana f. mexicana (L.) Trin.
Muhlenbergia mexicana var. filiformis Muhlenbergia mexicana var. filiformis (Willd.) Scribn.
Muhlenbergia mexicana var. purpurea Muhlenbergia mexicana var. purpurea Alph. Wood
Polypogon canadensis Polypogon canadensis E. Fourn.
Vilfa mexicana Vilfa mexicana (L.) P. Beauv.

Specimens and Distribution

This species has been reported in the following counties by the herbaria listed. An overview of the individual specimens are provided in the table that follows. Click on the accession number to view details; click on column headers to sort.

Counties included on distribution map: Clark (KY)

Herbaria represented by specimen data listed below: EKY

Range of years during which specimens were collected: 1944 - 1955

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
31234100151602 Tennessee 03 Sep 1944 Henry R. DeSelm
Muhlenbergia mexicana
N/A Clark Kentucky 09 Oct 1955 Mary Ruth Beckett
Muhlenbergia mexicana
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Plant Photos

Muhlenbergia mexicana - Milo Pyne
Muhlenbergia mexicana - Milo Pyne
Muhlenbergia mexicana - Milo Pyne
Muhlenbergia mexicana - Milo Pyne