Lagenophora schmidiae (Asteraceae), a critically threatened new species from Aotearoa/New Zealand.

Lange, P. J. de, Wang Jian, (2021). Ukrainian Botanical Journal 78(5), 319-326. M.G. Kholodny Institute of Botany, NAS of Ukraine, Kiev, Ukraine. English language

New chorological data for the Italian vascular flora.

Rosati, L., Fascetti, S., Romano, V. A., Potenza, G., Lapenna, M. R., Capano, A., Nicoletti, P., Farris, E., Lange, P. J. de, Vico, E. del, Facioni, L., Fanfarillo, E., Lattanzi, E., Cano-Ortiz, A., Marignani, M., Fogu, M. C., Bazzato, E., Lallai, E., Laface, V. L. A., Musarella, C. M., Spampinato, G., Mei, G., Misano, G., Salerno, G., Esposito, A., Stinca, A., (2020). Diversity 12(1) MDPI AG, Basel, Switzerland. English language

The earliest collection of an elusive alien? Evidence of early introduction of Chenopodium ficifolium (Chenopodiaceae) in New Zealand.

Mosyakin, S. L., Lange, P. J. de, (2020). Ukrainian Botanical Journal 77(2), 81-89. M.G. Kholodny Institute of Botany, NAS of Ukraine, Kiev, Ukraine. English language

Crassula nutans var. minus (Crassulaceae) a new trans-Tasman natural weed arrival to northern New Zealand.

Lange, P. J. de, Rolfe, J. R., Townsend, A. J., (2011). New Zealand Journal of Botany 49(3), 361-366. Routledge, Taylor and Francis, Oxfordshire, UK. English language

Additional records of indigenous and naturalised plants with observations on the distribution of Gunnera tinctoria, on Stewart Island, New Zealand.

Heenan, P. B., Lange, P. J. de, Rance, B. D., Sykes, W. R., Meurk, C. D., Korver, M. A., (2009). New Zealand Journal of Botany 47(1), 1-7. Royal Society of New Zealand, Wellington, New Zealand. English language

A taxonomic re-evaluation of Hibiscus trionum (Malvaceae) in Australasia.

Craven, L. A., Lange, P. J. de, Lally, T. R., Murray, B. G., Johnson, S. B., (2011). New Zealand Journal of Botany 49(1), 27-40. Routledge, Taylor and Francis, Oxfordshire, UK. English language

Biosystematics and conservation: a case study with two enigmatic and uncommon species of Crassula from New Zealand.

Lange, P. J. de, Heenan, P. B., Keeling, D. J., Murray, B. G., Smissen, R., Sykes, W. R., (2008). Annals of Botany 101(6), 881-899. Oxford University Press, Oxford, UK. English language

Checklist of dicotyledons, gymnosperms, and pteridophytes naturalised or casual in New Zealand: additional records 2001-2003.

Heenan, P. B., Lange, P. J. de, Cameron, E. K., Ogle, C. C., Champion, P. D., (2004). New Zealand Journal of Botany 42(5), 797-814. Royal Society of New Zealand, Wellington, New Zealand. English language

Nuclear DNA variation, chromosome numbers and polyploidy in the endemic and indigenous grass flora of New Zealand.

Murray, B. G., Lange, P. J. de, Ferguson, A. R., (2005). Annals of Botany 96(7), 1293-1305. Oxford University Press, Oxford, UK. English language

Threatened and uncommon plants of New Zealand.

Lange, P. J. de, Heenan, P. B., Given, D. R., Norton, D. A., Ogle, C. C., Johnson, P. N., Cameron, E. K., (1999). New Zealand Journal of Botany 37(4), 603-628. English language