University of Arizona Herbarium
Catalog #: 431164
Occurrence ID (GUID): 6632bfcf-7e59-4a69-9537-e6a27a4e1439
Taxon: Lactuca serriola L.
Family: Asteraceae
Collector: Sue Carnahan   2067   
Date: 15 October 2016
Verbatim Date:15 October 2016
Additional Collectors: George Ferguson, George Montgomery
Locality: United States, Arizona, Santa Cruz, Yanks Spring in Yanks Canyon, near Sycamore Canyon, Pajarito Mtns, 0.5 km down canyon from FSR 39 (Ruby Rd).
31.42783  -111.19369  WGS84
Elevation: 1188 meters
Verbatim Elevation: 1188 m
Habitat: Gravels along shallow drainage; oak grassland.
Associated Species: Quercus emoryi, Juglans major, Salix bonplandiana, Dasylirion wheeleri, Vitis arizonica.
Description: Annual (?) forb, stems to 1.2 m; leaves deeply lobed, prickly.
Specimen Images
Record Id: 6632bfcf-7e59-4a69-9537-e6a27a4e1439
Rights Holder: University Of Arizona
For additional information on this specimen, please contact: ARIZ Herbarium (
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