Raynalta, E., Hariri, M.R. & Irsyam, A.S.D. (2024) Cyrtosperma hayii (Araceae, Lasioideae), a unique new species with downward-pointing spines from Southwest Papua Province, Indonesia. Phytotaxa 641 (3): 235–237. https://doi.org/10.11646/phytotaxa.641.3.6