Razafimandimbison, S. G., Moog, J., Bremer, B., Lantz, H., and Maschwitz, U. Re-assessment of monophyly, evolution of myrmecophytism, and rapid radiation in Neonauclea s.s. (Rubiaceae). Molecular Phylogenetics and Evolution 34:334-354.
Lantz, H. and Bremer, B. Phylogeny of the complex Vanguerieae (Rubiaceae) genera Fadogia, Rytigynia, and Vangueria with close relatives and a new circumscription of Vangueria. Plant Systematics and Evolution 253: 159-183.
Lantz, H and Gereau, R. A new species of Rytigynia (Rubiaceae, Vanguerieae) from northeastern Tanzania with notes on the circumscription of the genus. Novon 15: 315-318.
2004
Lantz, H. and Bremer, B. Phylogeny inferred from morphology and DNA data: characterizing well-supported groups in Vanguerieae (Rubiaceae). Botanical Journal of the Linnean Society 146: 257-283.
2002
Lantz, H., Andreasen, K. and Bremer, B. Nuclear rDNA ITS sequence data used to construct the first phylogeny of Vanguerieae (Rubiaceae). Plant Syst. Evol. 230: 173-187.
2003
Lantz, H. Phylogeny and Classification of the tribe Vanguerieae (Rubiaceae).
1999
Bremer, B., Jansen, R. K., Oxelman, B., Backlund, M., Lantz, H. and Kim, K-J. More characters or more taxa for a robust phylogeny - case study from the Coffee Family (Rubiaceae). Syst. Biol. 48: 413-435.