Santos, Conceição, Portugal

• Phytotaxa Vol. 145 No. 1: 11 November 2013 - Article
  

  Two lectotypifications and a new combination in Calendula (Asteraceae) for Flora Iberica

  
  Abstract
• Phytotaxa Vol. 605 No. 1: 24 July 2023 - Monograph
  

  A taxonomic revision of Calendula (Asteraceae) in Morocco, including some taxa from Algeria and Tunisia

  
  Abstract
• Phytotaxa Vol. 352 No. 1: 8 June 2018 - Monograph
  

  Taxonomic revision of the genus Calendula (Asteraceae) in the Iberian Peninsula and the Balearic Islands

  
  Abstract