Spira, T. P. (2011). Wildflowers and plant communities of the southern Appalachian Mountains and Piedmont: A naturalist's guide to the Carolinas, Virginia, Tennessee, and Georgia. University of North Carolina Press.
Citace podle Chicago (17th ed.)Spira, Timothy P. Wildflowers and Plant Communities of the Southern Appalachian Mountains and Piedmont: A Naturalist's Guide to the Carolinas, Virginia, Tennessee, and Georgia. Chapel Hill [N.C.]: University of North Carolina Press, 2011.
Citace podle MLA (9th ed.)Spira, Timothy P. Wildflowers and Plant Communities of the Southern Appalachian Mountains and Piedmont: A Naturalist's Guide to the Carolinas, Virginia, Tennessee, and Georgia. University of North Carolina Press, 2011.
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