Flora Malesiana, Vol. 8, by Steenis, C. G. G. J. van (Cornelis Gijsbert Gerrit Jan); Steenis-Kruseman, M. J. van; Indonesia. Departemen Pertanian; Lembaga Ilmu Pengetahuan Indonesia; Kebun Raya Indonesia, Publication date 1950, p. 387. Available on https://archive.org/details/floramalesiana83stee.
biodiversitylibrary.org
Codd, L. E. W. et al. Flora of Southern Africa : the Republic of South Africa, Basutoland, Swaziland and South West Africa. Vol. 28, part 4, 1981, page 148. Available on Biodiversity Heritage Library at https://www.biodiversitylibrary.org/page/51375271.
books.google.com
Ethnic Culinary Herbs: A Guide to Identification and Cultivation in Hawaii; page 88. [s.l.] : University of Hawaii Press, 1999. Dostupné online.ISBN 978-0824820947.
cabi.org
Plectranthus amboinicus (Indian borage), Datasheet, Invasive Species Compendium [online]. Centre for Agriculture and Biosciences International, 23 November 2017, [cit. 2020-03-13]. Dostupné online.
doi.org
dx.doi.org
PATON, Alan J., et al. Nomenclatural changes in Coleus and Plectranthus (Lamiaceae) : a tale of more than two genera. PhytoKeys, 2019, čís. 129, s. 1 – 158. ISSN1314–2003. DOI: 10.3897/phytokeys.129.34988.
nadchovnik.sk
O nádchovníku [online]. nadchovnik.sk, [cit. 2020-05-16]. Dostupné online.
pmza.sk
Záhradka v kvetináči – Považské múzeum v Žiline [online]. pmza.sk, [cit. 2020-05-16]. Dostupné online.
PATON, Alan J., et al. Nomenclatural changes in Coleus and Plectranthus (Lamiaceae) : a tale of more than two genera. PhytoKeys, 2019, čís. 129, s. 1 – 158. ISSN1314–2003. DOI: 10.3897/phytokeys.129.34988.
