Plunkett, G. M., Ranker, T. A., Sam, C., Balick, M. J., (2022). Candollea 77(1), 105-118. Conservatoire et Jardin botaniques de la Ville de Genève, Genève, Switzerland. English language
Alfred, M., (2022). Data in Brief 42 Elsevier, Amsterdam, Netherlands. English language
WCSP, (2020). World Checklist of Selected Plant Families Royal Botanic Gardens, Kew, London, UK. English language
Charles Darwin Foundation, (2020). Galapagos Species Checklist Charles Darwin Foundatio, Galapagos, Ecuador. English language
Kew Royal Botanic Gardens, (2020). Millennium Seed Bank - Seed List Kew Royal Botanic Gardens, Richmond, UK. English language
Paraguay Checklist, (2020). Paraguay Checklist, Tropicos website Missouri Botanical Garden, St Louis, MO, USA. English language
Vinogradova, Y. K., Tokhtar, V. K., Notov, A. A., Mayorov, S. R., Danilova, E. S., (2021). Plants 10(7) MDPI AG, Basel, Switzerland. English language
Ankit Singh, Nidhan Singh, Nautiyal, M. C., (2021). Current Science 120(4) Current Science Association, Bangalore, India. English language
Bartolucci, F., Galasso, G., Peruzzi, L., Conti, F., (2021). Natural History Sciences 8(1), 41-54. PAGEPress Publications, Pavia, Italy. English language
Duistermaat, H., Sparrius, L. B., Denters, T., (2021). Gorteria 43(1), 109-156. Naturalis Biodiversity Center, Leiden, Netherlands. Dutch language