Calea monocephala Dusén

Ferraz, José Roberto, Molina, José Marcelo P., Hassemer, Gustavo & Ribeiro, José Eduardo Lahoz Da Silva, 2025, An annotated checklist of the endemic flowering plants of Paraná, southern Brazil, Phytotaxa 685 (1), pp. 1-62 : 31-32

37. Calea monocephala Dusén

Life form:—Subshrub.

Habitat:—Cerrado and Subtropical Highland Subtropical, growing on sandstone outcrops and sand soil at an elevation of 756–1176 m a.s.l.

Geographic distribution:—Balsa Nova: G. Hatschbach 42638 (MBM!). Bocaiúva do Sul: G. Hatschbach et al. 23442 (MBM!). Campo Largo: L.T. Dombrowski 6959 (MBM!). Jaguariaíva: A. Uhlmann et al. 60 (MBM!). Palmeira: G. Hatschbach 31838 (MBM!). Piraquara: L.T. Dombrowski et al. 10329 (MBM!). Ponta Grossa: G. Hatschbach 2907 (MBM!).

Number of gatherings:—20. Most recent record:—2012.

Preliminary conservation status:—Endangered (EN – B2ab[i,ii]). EOO = 7,076.692 km 2 and AOO = 40 km 2. Conservation unit:—Campos Gerais National Park, Cerrado State Park, and Vila Velha State Park.