Code of Conduct

This Code of Conduct is a living document and dated 15 September 2021. It will be reviewed annually, amended as necessary, and made available on this page.

WHS Code of Conduct (15 September 2021)

XLI – Annual Meeting 2024

XLI Annual Meeting of the Willi Hennig Society

July 28 – August 1, 2024

at UNAM, Mexico City, Mexico

Co-Chairs Ivonne Garzón and Alejandro Oceguera

pre-meeting Cladistics course July 25–27

Upcoming Annual Meetings

  • 2024 – UNAM, Mexico City, Mexico – Chair Ivonne Grazon
  • 2025 –
  • 2026 – Bogota, Colombia – Chair Dimitri Forero

Past Annual Meetings

  • Hennig XL – July 2023 – Ithaca, NY, USA
  • Hennig XXXIX – July 2022 – Helsinki, Finland
  • 2021 – Annual Meeting replaced by virtual Breaking Isolation webinar series due to Sars-CoV-2 pandemic
  • 2020 – Annual Meeting canceled due to Sars-CoV-2 pandemic
  • Hennig XXXVIII – May 2019 – University of California Berkeley, California, USA
  • Hennig XXXVII – September 2018 – Barcelona, Spain
  • Hennig XXXVI – August 2017 – St. Petersburg, Florida, USA
  • Hennig XXXV – October 2016 – Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”, Buenos Aires, Argentina
  • Hennig XXXIV – July 2015 – New York Botanical Garden, New York, USA
  • Hennig XXXIII – July 2014 – MUSE, Science Museum of Trento, Italy
  • Hennig XXXII – August 2013 – Rostock University, Germany
  • Hennig XXXI – June 2012 – University of California Riverside, California, USA
  • Hennig XXX – August 2011 – São José do Rio Preto, São Paulo, Brazil
  • Hennig XXIX – May 2010 – Waikiki, Honolulu, Hawai’i, USA
  • Hennig XXVIII – June 2009 – Singapore
  • Hennig XXVII – November 2008 – Tucumán, Argentina
  • Hennig XXVI – June 2007 – New Orleans, Louisiana, USA
  • Hennig XXV – August 2006 – Oaxaca, Mexico
  • Hennig XXIV – July 2005 – Fagernes, Norway
  • Hennig XXIII – July 2004 – CNRS / Muséum national d’Histoire naturelle, Paris, France
  • Hennig XXII – August 2003 – New York Botanical Garden, New York, USA
  • Hennig XXI – August 2002 – Hanasaari Cultural Centre, Helsinki, Finland
  • Hennig XX – August 2001 – Oregon State University, Corvallis, Oregon, USA
  • Hennig XIX – May 2000 – Leiden, The Netherlands
  • Hennig XVIII – September 1999 – Göttingen, Germany
  • HennigXVII – September 1998 – São Paulo, Brazil
  • HennigXVI – October 1997 – Washington, DC, USA
  • HennigXV – December 1996 – Cape Town, South Africa
  • Hennig XIV – July 1995 – Texas A&M University, College Station, Texas, USA
  • HennigXIII – August 1994 – Copenhagen, Denmark
  • Hennig XII – August 1993 – California State University, Fullerton, California, USA
  • Hennig XI – August 1992 – CNRS / Muséum national d’Histoire naturelle, Paris, France
  • Hennig X – August 1991 – Royal Ontario Museum and the University of Toronto, Toronto, Canada
  • Hennig IX – August 1990 – CSIRO, Canberra, ACT, Australia
  • Hennig VIII – September 1989 – Cornell University, Ithaca, New York, USA
  • Hennig VII – August 1988 – Swedish Museum of Natural History, Stockholm, Sweden
  • Hennig VI – November 1986 – American Museum of Natural History and New York Botanical Garden, New York, USA
  • Hennig V – October 1985 – University of Miami and Fairchild Tropical Gardens, Coral Gables, Florida, USA
  • Hennig IV – July 1984 – Linnean Society and Systematics Association, London, UK
  • Hennig III – November 1982 – University of Maryland, College Park, Maryland, USA
  • Hennig II – October 1981 – University of Michigan, Ann Arbor, Michigan, USA
  • Hennig I – October 1980 – University of Kansas, Lawrence, Kansas, USA