Machaeranthera tanacetifolia (Kunth) Nees

• Region

  North America

• Country

  United States of America

• State/Province

  Texas

• County/Municipio

  Presidio Co.

• Locality

  ca 3.0 airmiles WSW of jct. US Rt. 90 and St. Rt. 17 in downtown Marfa. SW part of Mimms Ranch (Dixon Water Foundation). Marfa Quadrangle

• Elevation

  Alt. 1469 m. (4820 ft.)

• Coordinates

  30.3209, -104.069

• Distribution

  Map all specimens of this taxon

FLORA OF TEXAS
Acme Botanical Services
Machaeranthera tanacetifolia (Kunth) Nees
PRESIDIO CO.: rays lavender-purple; rare in herbaceous
vegetation on sandy to silty loam on gentle slope on very
gently rolling landscape underlain by a mix of Perdiz
Conglomerate (a fanglomerate of variable composition) and
Quaternary alluvium, ca. 3.0 airmiles WSW of jet. US Rt. 90
and St. Rt. 17 in downtown Marfa, at N30°19.254’,
W104°04.129\ SW part of Mimms Ranch (Dixon Water
Foundation). Marfa Quadrangle. Elev. 4820 ft.
Associates included Acacia angustissima, A. constricta, Aphanostephus
ramosissimus, Aristida adscencionis, A. teraipes, Cenchrus spinifex,
Commelina erecta, Condalia ericoides, Croton pottsii, Dalea nana,
Digitaria califomica, Enneapogon desvauxii, Ephedra trifurca, Eriogonum
annuum, Gaillardia pinnatifida, Gaura sp., Hoffinannseggia drepanocarpa,
Hymenopappus flavescens, Ipomopsis longiflora, Panicum hallii, Perityle
vaseyi, Physaria fendleri, Pomaria jamesii, Portulaca suffrutescens,
Psilostrophe tagetina, Rhynchosia senna, Setaria leucopila, Sphaeralcea
coccinea, Talinum angustissimum, Tetraclea coulteri, Tradescantia
occidentalis, Verbesina encelioides, Yucca sp.
W. R. Carr
#31456
21 August 2012
02681708