Teodoro et al. 2019

1. Carboxylate concentrations during vellozioid root development in Barbacenia tomentosa: immature (2-4 days), mature (6-12 days) and senescent (more than 15 days); 2. Mineral element concentration (mg g-1) in quartzite rock in campos rupestres. The rock samples were collected in Itutinga, Diamantina and Serra do Cipó National Park (n=9), Minas Gerais, Brazil; 3. Solubilized phosphorus (P) from quartzite rock collected in campos rupestres as affected by the addition of carboxylates (malate).