Checklist of the Vascular Flora of Santa Rosa Island
Authors: Kristen Hasenstab-Lehman and C. Matt Guilliams
Citation: K.E. Hasenstab-Lehman C.M. Guilliams, 2021. Checklist of the Vascular Flora of Santa Rosa Island, California, Version 1. Originally published online February 22, 2021, updated continually thereafter. www.cch2.org.
Locality: Santa Rosa Island, Channel Islands National Park
Abstract: This is a voucher-based checklist of Santa Rosa Island, one of the California Channel Islands off the coast of California. Data for the checklist came from study of specimens deposited in herbaria. All information was cross-referenced against Wallace (1985), and Ratay et al. (2014), along with the latest taxonomic treatments in regional floras (e.g., The Jepson eFlora, https://ucjeps.berkeley.edu/eflora/). In some cases, taxonomic experts were consulted to assist with determinations. This list will be continually updated.

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Families: 86
Genera: 301
Species: 528
Total Taxa: 541

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Non-native taxon; needs herbarium study
Herbarium study needed; no vouchers located
Non-native taxon; single herbarium voucher needs study; S. A. Junak SR-623 [SBBG]
Non-native taxon; herbarium study needed.