Juniperus navicularis (syn. Juniperus oxycedrus subsp. transtagana), the Portuguese prickly juniper, is a species of juniper endemic to the southwestern Iberian Peninsula. Although it is sometimes considered a subspecies of the Mediterranean Juniperus oxycedrus,Farjon, A. (2005). Monograph of Cupressaceae and Sciadopitys. Royal Botanic Gardens, Kew. phylogenetic studies have found the two are not closely related.Adams, R. P. (2000). Systematics of Juniperus section Juniperus based on leaf essential oils and RAPD DNA fingerprinting. Biochem. Syst. Ecol. 28: 515-528 available online (pdf file) Adams, R. P. (2004). Juniperus deltoides, a new species and nomenclatural notes on Juniperus polycarpos and J. turcomanica (Cupressaceae). Phytologia 86: 49 - 53 available online (pdf file)
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