Stoichiometry of carbon; nitrogen and phosphorus is closely linked to trophic modes in orchids 2023 Laboratoř environmentální mikrobiologieMinasiewicz J.Zwolicki A.Figura T.Novotná A.Bocayuva M.Jersáková J.Selosse M.BMC Plant Biology. 2023; 23(1); 42210.1186/s12870-023-04436-z