Desert Botanical Garden Herbarium
Occurrence ID (GUID): 28a819aa-8f18-42ff-b0ae-af06cb943dc0
Taxon: Plectocephalus rothrockii (Greenm.) D.J.N.Hind
Family: Asteraceae
Collector: Andrew Salywon   2239   
Date: 2019-10-06
Additional Collectors: Ronald Tiller and David McCarroll
Locality: Arizona, Santa Cruz, Canelo Hills Cienega Preserve, ca. 2.5 air km NW of Canelo and NNW of Hwy 83
31.563556  -110.527972
Verbatim Coordinates: 31° 33' 48.8" N 110° 31' 40.7" W
Elevation: 1509 meters Verbatim Elevation: 4950 ft
Habitat: Cienega near O'Donnell Creek channel.
Associated Species: Juglans major, Salix
Description: Plant to 2 m tall from 1 stem and branched above. Leaves light green. Flowering heads terminal on long pedicels, 9 total. The sterile flowers white proximally and purplish distally, the fertile flowers whitish, the anthers dark.
Notes: Rare only plant seen.
Specimen Images
Author: Andrew Salywon
Author: Andrew Salywon
Author: Andrew Salywon
Record ID: 28a819aa-8f18-42ff-b0ae-af06cb943dc0
For additional information on this specimen, please contact: Andrew Salywon (
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