Towards a checklist of the vascular flora of Vanuatu.

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

Alien flora of Zimbabwe: data derived from herbarium specimens.

Alfred, M., (2022). Data in Brief 42 Elsevier, Amsterdam, Netherlands. English language

World Checklist of Selected Plant Families.

WCSP, (2020). World Checklist of Selected Plant Families Royal Botanic Gardens, Kew, London, UK. English language

Galapagos Species Checklist.

Charles Darwin Foundation, (2020). Galapagos Species Checklist Charles Darwin Foundatio, Galapagos, Ecuador. English language

Millennium Seed Bank - Seed List.

Kew Royal Botanic Gardens, (2020). Millennium Seed Bank - Seed List Kew Royal Botanic Gardens, Richmond, UK. English language

Paraguay Checklist, Tropicos website.

Paraguay Checklist, (2020). Paraguay Checklist, Tropicos website Missouri Botanical Garden, St Louis, MO, USA. English language

Plant invasion research in Russia: basic projects and scientific fields.

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

Invasive South American weed - Tradescantia fluminensis vell. (Commelinaceae): a threat to native flora of India.

Ankit Singh, Nidhan Singh, Nautiyal, M. C., (2021). Current Science 120(4) Current Science Association, Bangalore, India. English language

Report 2020 on plant biodiversity in Italy: native and alien vascular flora.

Bartolucci, F., Galasso, G., Peruzzi, L., Conti, F., (2021). Natural History Sciences 8(1), 41-54. PAGEPress Publications, Pavia, Italy. English language

Standaardlijst van de Nederlandse flora 2020. / Standard list of the Dutch flora 2020.

Duistermaat, H., Sparrius, L. B., Denters, T., (2021). Gorteria 43(1), 109-156. Naturalis Biodiversity Center, Leiden, Netherlands. Dutch language