@article{leal_carvalho_siqueira_moreira_2018,  title={Assessment of the occurrence and richness of arbuscular mycorrhizal fungal spores by direct analysis of field samples and trap culture - a comparative study},  volume={90},  ISSN={0001-3765},  url={https://doi.org/10.1590/0001-3765201720170120},  DOI={10.1590/0001-3765201720170120},  number={2},  journal={Anais da Academia Brasileira de Ciências},  publisher={Academia Brasileira de Ciências},  author={LEAL, PATRÍCIA L. and CARVALHO, TEOTONIO S. DE and SIQUEIRA, JOSÉ OSWALDO and MOREIRA, FATIMA M.S.},  year={2018},  month={Aug},  pages={2359–2373} }