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doi.org
Julius Jeiter, Hartmut H. Hilger, Erik F. Smets, Maximilian Weigend: The relationship between nectaries and floral architecture: a case study in Geraniaceae and Hypseocharitaceae. In: Annals of Botany. Band120, Nr.5, 10. November 2017, ISSN0305-7364, S.791–803, doi:10.1093/aob/mcx101.
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researchgate.net
J. J. Aldasoro, C. Navarro, P. Vargas, L. I. Sáez, C. Aedo: California, a new genus of Geraniaceae endemic to the southwest of North America. In: Anales del Jardín Botánico de Madrid, Volume 59, 2002, S. 209–216. doi:10.3989/ajbm.2001.v59.i2.128PDF.
zdb-katalog.de
Julius Jeiter, Hartmut H. Hilger, Erik F. Smets, Maximilian Weigend: The relationship between nectaries and floral architecture: a case study in Geraniaceae and Hypseocharitaceae. In: Annals of Botany. Band120, Nr.5, 10. November 2017, ISSN0305-7364, S.791–803, doi:10.1093/aob/mcx101.