1. The cultivation and domestication of wheat and barley in Iran, brief review of a long history

   • Farrokh Ghahremaninejad
   • Ehsan Hoseini
   • Sahar Jalali

   ReviewPaper 01 February 2021 Pages: 1 - 22

   

2. Review of Piper species growing in the Brazilian State of Paraná with emphasize on the vegetative anatomy and biological activities

   • Vera Lucia Pereira dos Santos
   • Izabelle Cristina Garcia Rodrigues
   • Jane Manfron Budel

   OriginalPaper 06 January 2021 Pages: 23 - 54

3. Reproductive biology, ecological life history/demography and genetic diversity of the megagenus Astragalus (Fabaceae, Papilionoideae)

   • Elias Soltani
   • Fatemeh Benakashani
   • Carol C. Baskin

   ReviewPaper 22 January 2021 Pages: 55 - 106

   

4. African Medicinal Plants Useful for Cognition and Memory: Therapeutic Implications for Alzheimer’s Disease

   • Adaze Bijou Enogieru
   • Oghenakhogie Iroboudu Momodu

   Review 02 February 2021 Pages: 107 - 134

   

5. Corrigendum to: The Pantepui in the Brazilian Amazon: Vascular Flora of Serra Do Aracá, a Cradle of Diversity, Richness and Endemism

   • Rafael Gomes Barbosa-Silva
   • Marcelo Leandro Bueno
   • Rafaela Campostrini Forzza

   Corrigendum 14 January 2021 Pages: 135 - 135