The following literature references are cited in the Washington Flora Checklist. These may include floras, journal articles, monographs, theses, web sites, and other scholarly resources.
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Zavarin,E., K.Snajberk, T.Reichert, and Tsien E. 1970. On the geographic variability of the monoterpenes from the cortical blister oleoresin of Abies lasiocarpa. Phytochemistry 9: 377–395.
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Zika, P. F. 2002. Noteworthy collections, Oregon and Washington. Madroño 49: 195-197.
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Zika, P. F. 2003. Noteworthy collections, Oregon and Washington. Madroño 50: 313-314.
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Zika, P. F. 2003. The native subspecies of Juncus effusus (Juncaceae) in western North America. Brittonia 55: 150-156.
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Zika, P. F. 2006a. Impatiens ×pacifica (Balsaminaceae), a new hybrid jewelweed from the Pacific Northwest coast of North America. Novon 16: 443-448.
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Zika, P. F. 2006b. The status of Impatiens capensis (Balsaminaceae) on the Pacific Northwest coast. Journal of the Torrey Botanical Society 133(4): 593-600.
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Zika, P. F. 2006c. Lectotypification of the names of two color forms of Impatiens capensis (Balsaminaceae). Rhodora 108: 62-64.
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Zika, P. F. and A. L. Jacobson. 2003. An overlooked hybrid Japanese knotweed (Polygonum cuspidatum × sachalinense; Polygonaceae) in North America. Rhodora 105: 143-152.
Citation:
Zika et al. 2008
Full Ref:
Zika, P. F., J. L. Reveal, and C. Jarvis. 2008. (1818) Proposal to conserve the name Impatiens noli-tangere (Balsaminaceae) with a conserved type. Taxon 57: 650-651.