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)

XLII – Annual Meeting 2025

XLII Annual Meeting of the Willi Hennig Society

22–25 July 2025

at The Chinese University of Hong Kong, Hong Kong

Chair Michael Pittman

go to Hennig XLII Meeting web-site

Upcoming Annual Meetings

  • 2025 – Hong Kong, China – Chair Michael Pittman
  • 2026 – Bogota, Colombia – Chair Dimitri Forero

Past Annual Meetings

  • Hennig XLI – July–August 2024 – UNAM, Mexico City, Mexico
  • 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