Eastern Mojave Vegetation Coll. No. 3383, Symphyotrichum porteri.  
 

 

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If you have a question or a comment about this photograph you may write to me at: tomas@schweich.com I sometimes post interesting questions in my FAQ, but I never disclose your full name or address. 		  Asteraceae, Symphyotrichum porteri
Photographed 15 January 2025.

Plants of Colorado
Asteraceae

Symphyotrichum porteri (A. Gray) G.L. Nesom.  Smooth White Aster.

Dispersed Camp Site, Jefferson County, Colorado. Along Pike-San Isabel National Forest Road 211, about 3.6 miles generally southwest of its northern end at County Road 126 “Deckers Road,” 59 km. south of Golden. 39.22646°N, 105.30549°W. WGS 1984 Elev. 2317 m. Thin ponderosa pine forest with Heterotheca villosa, Hymenothrix dissecta, Solidago missouriensis, Castilleja integra, Eriocoma nelsonii, and Vulpia octoflora.

Collected by permit: Pike San Isabel National Forest, 2024, issued: Jun 1, 2024, to: Tom Schweich.

Tom Schweich 3383. 12-Sep-2024

Coll. No. 3383, 12 September 2024, characters observed: Perennial herb, to 30 cm.; Leaves, basal cluster present at flowering, entire, glabrous, margin ciliate, tip spinulose; Receptacle, epaleate; Phyllaries, 2+ series, somewhat ciliate, tip spinulose; Flowers, 2 kinds; Rays, white; Disc flowers, yellow, fading brown; Pappus, well-developed capillary bristles.

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Other photos about Species - Asteraceae or Symphyotrichum porteri.

 

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Date and time this page was prepared: 11/8/2025 1:43:25 PM