Heibel, Esther & Lumbsch, H. Thorsten & Schmitt, Imke: Genetic Variation of Usnea filipendula (Parmeliaceae) Populations in Western Germany Investigated by RAPDs Suggests Reinvasion from Various Sources. American Journal of Botany, toukokuu 1999, 86. vsk, nro 5, s. 753–757. Botanical Society of America. doi:10.2307/2656585JSTOR:2656585Artikkelin verkkoversio. (pdf) Viitattu 7.11.2018. (englanniksi)
jstor.org
Heibel, Esther & Lumbsch, H. Thorsten & Schmitt, Imke: Genetic Variation of Usnea filipendula (Parmeliaceae) Populations in Western Germany Investigated by RAPDs Suggests Reinvasion from Various Sources. American Journal of Botany, toukokuu 1999, 86. vsk, nro 5, s. 753–757. Botanical Society of America. doi:10.2307/2656585JSTOR:2656585Artikkelin verkkoversio. (pdf) Viitattu 7.11.2018. (englanniksi)
wiley.com
onlinelibrary.wiley.com
Heibel, Esther & Lumbsch, H. Thorsten & Schmitt, Imke: Genetic Variation of Usnea filipendula (Parmeliaceae) Populations in Western Germany Investigated by RAPDs Suggests Reinvasion from Various Sources. American Journal of Botany, toukokuu 1999, 86. vsk, nro 5, s. 753–757. Botanical Society of America. doi:10.2307/2656585JSTOR:2656585Artikkelin verkkoversio. (pdf) Viitattu 7.11.2018. (englanniksi)