CALONJE, MICHAEL, United States

• Phytotaxa Vol. 556 No. 2: 4 August 2022 - Article
  

  Zamia orinoquiensis (Zamiaceae, Cycadales), a new species from the western Orinoquía region of Colombia

  
  Abstract  PDF (12MB)
• Phytotaxa Vol. 598 No. 1: 19 May 2023 - Article
  

  Zamia multidentata (Cycadales, Zamiaceae), a new arborescent species of Zamia from Acre, Brazil

  
  Abstract  PDF (4MB)
• Phytotaxa Vol. 192 No. 4: 15 January 2015 - Article
  A taxonomic revision of Zamia montana and Zamia oligodonta, with notes on their conservation status
  Abstract
• Phytotaxa Vol. 385 No. 2: 28 December 2018 - Article
  

  Zamia paucifoliolata, a new species of Zamia (Zamiaceae, Cycadales) from Valle del Cauca, Colombia

  
  Abstract  PDF (1MB)
• Phytotaxa Vol. 497 No. 1: 16 April 2021 - Article
  

  Two new species of Zamia (Zamiaceae, Cycadales) from the Magdalena-Urabá moist forests ecoregion of northern Colombia

  
  Abstract  PDF (15MB)
• Phytotaxa Vol. 98 No. 2: 8 May 2013 - Article
  Clarification of Zamia acuminata and a new Zamia species from Coclé Province, Panama
  Abstract
• Phytotaxa Vol. 404 No. 1: 16 May 2019 - Article
  

  Zamia brasiliensis, a new species of Zamia (Zamiaceae, Cycadales) from Mato Grosso and Rondônia, Brazil

  
  Abstract  PDF (2MB)
• Phytotaxa Vol. 383 No. 1: 13 December 2018 - Correspondence
  

  Lectotypification of Cycas beddomei (Cycadaceae)

  
  Abstract