Mega- and microspores of Isoetes amazonica and I. gardneriana.

 
 
  Part of: Pereira JBS, Giulietti AM, Pott VJ, Watanabe MTC (2019) Rediscovering two Isoetes species in the Brazilian Amazon and Cerrado after 167 years. PhytoKeys 135: 105-117. https://doi.org/10.3897/phytokeys.135.46624