General Research Observations
Occurrence ID (GUID): 75c98c9a-f965-489d-8f87-c5734e83266c
Taxon: Cirsium arizonicum (A. Gray) Petrak
Family: Asteraceae
Collector: Thornburg, David   1589   
Date: 2016-06-17
Locality: USA, Arizona, Yavapai, 1.5 miles north of Jerome, side of Perkinsville Road.
34.75932  -112.1395 +-30m.
Elevation: 1810 meters (5937ft)
Habitat: Thick chaparel canyon slope, with exposed limestone ledges in road cut.
Substrate: Loose soil and limestone layers.
Associated Species: Artemisia ludoviciana Galium wrightii Quercus turbinela Sambucus cerulea Stephanomeria tenuifolia Fraxinus anomala var. lowellii Fraxinus velutina Purshia stansburyana Berberis haematocarpa Juniperus arizonica Yucca baccata Nolina microcarpa Cirsium arizonicum Symphoricarpos rotundifolius Linum lewisii Castilleja linariifolia Cercocarpus montanus
Description: `Perennial herb, with basal leaves only
Reproductive Condition: Sterile
Notes: Locally common, most others are flowering.
Specimen Images
Author: David Thornburg
Record ID: 75c98c9a-f965-489d-8f87-c5734e83266c
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