Authors: Y.C. Frey, M. Hofer, J.L. Pittas, V. Büche
Sources
This page lists all sources cited in the blog. Click on any reference number in the text to jump to the corresponding entry here.
Literature
[1]: Baker et al., 2017: Keeping pace with the media; Giant Hogweed burns — A case series and comprehensive review. In: Burns Volume 43, Issue 5, August 2017, Pages 933-938. https://doi.org/10.1016/j.burns.2016.10.018
[2]: InfoFlora (Hsg.), 2024: Invasive Neophyten : Eine Bedrohung für die Biodiversität, Gesundheit und/oder Wirtschaft/ Art der Liste der invasiven gebietsfremden Arten /Art mit Umgangsverbot (FrSV, Anhang 2.1) /Riesen-Bärenklau (Doldenblütler). Retrieved 2 November 2025, from: https://www.infoflora.ch/de/assets/content/documents/neophyten/inva_hera_man_d.pdf.
[3]: Dr. Johnan Roch, Dr. Andreas Raum (2024): „Teufelszeug“: Wie Riesenbärenklau die Haut verbrennt – und wie man sich schützt. In: Apothekenumschau. Wort & Bild Verlag Konradshöhe GmbH & Co. KG Konradshöhe 1 82065 Baierbrunn bei München. Retrieved 10December 2025, from: https://www.apotheken-umschau.de/mein-koerper/haut-und-haare/riesenbaerenklau-wie-er-die-haut-verbrennt-wie-man-sich-schuetzt-1130339.html#was-mache-ich-wenn-ich-riesenbaerenklau-beruehrt-habe.
[4]: InfoFlora (Hsg.), 2024: Invasive Neophyten : Eine Bedrohung für die Biodiversität, Gesundheit und/oder Wirtschaft/ Art der Liste der invasiven gebietsfremden Arten /Art mit Umgangsverbot (FrSV, Anhang 2.1) /Aufrechtes Traubenkraut (Korbblütengewächse). Retrieved 2 November 2025, from: https://www.infoflora.ch/assets/content/documents/neophyten/inva_ambr_art_d.pdf.
[5]: Verband Pneumologischer Kliniken e.V. (Hrsg.) (n.D): Akuter Asthma-Anfall - Verhalten im Notfall. Retrieved 10 December 2025, from https://www.lungenaerzte-im-netz.de/krankheiten/asthma-bronchiale/therapie/akuter-asthmaanfall/
[6]: Fedlex, (2025): § 814.911 Verordnung vom 10. September 2008 über den Umgang mit Organismen in der Umwelt (Freisetzungsverordnung, FrSV). Retrieved 21 November 2025, from https://www.fedlex.admin.ch/eli/cc/2008/614/de#annex_2_1
[7]: Grün Stadt Zürich (Hrsg) (2020): Aktionsplan invasive Neophyten - Ziele und Vorgehen 2021 bis 2030. Retrieved 16 November 2025, from https://www.stadt-zuerich.ch/content/dam/web/de/planen-bauen/bauberatung-und-dienstleistungen/dokumente/gruenraeume-freiraeume/neophyten/aktionsplan-neophyten-2021-2030.pdf
[8]: Baudrektion des Kantons Zürich (Hrsg.) (2024): Praxishilfe - Invasive Neophyten im Kanton Zürich. Retrieved 1 December 2025, from https://www.zh.ch/de/umwelt-tiere/umweltschutz/gebietsfremde-arten/invasive-neophyten.html
[9]: Grün Stadt Zürich (Hrsg.) (n.d.): Grün Stadt Zürich - Über uns. Retrieved 7 December 2025, from https://www.stadt-zuerich.ch/de/politik-und-verwaltung/stadtverwaltung/ted/gsz.html
[10]: Amt für Abfall, Wasser, Energie und Luft, Abteilung Abfallwirtschaft und Betriebe (2023): Neophytenverbreitung [Dataset]. https://www.geolion.zh.ch/geodatensatz/3108
Images
Image 1: Mabel Amber (2016): Giant Hogweed.
Available at: https://pixabay.com/de/photos/riesenb%c3%a4renklau-pflanze-heracleum-1492294/
(Accessed: 09 February 2026).
Image 2: Canton of Aargau (2025): Giant Hogweed (Heracleum mantegazzianum), whole plant.
Available at: https://www.ag.ch/media/kanton-aargau/dfr/bilder/landwirtschaft/neobiota/pflanzen/heracleum-mantegazzianum/heracleum-mantegazzianum-ej-115_medium.jpg
(Accessed: 10 November 2025).
Image 3: FOEN/BAFU & University of Lausanne (2015): Invasive alien plants – potential distribution map of Giant Hogweed.
Available at: https://map.geo.admin.ch/#/map?lang=de¢er=2677445.89,1193978.34&z=0.366&topic=ech&layers=ch.swisstopo.leichte-basiskarte_reliefschattierung;ch.swisstopo.hoheitsgrenze-landesvermessung;ch.bafu.neophyten-riesenbaerenklau&bgLayer=void&featureInfo=default&catalogNodes=457,458
(Accessed: 10 November 2025).
Image 4: Canton of Aargau (2025): Giant Hogweed (Heracleum mantegazzianum).
Available at: https://upload.wikimedia.org/wikipedia/commons/thumb/8/80/Heracleum_mantegazzianum_Bochum-090624-8734-grosser-Baerenklau.jpg
(Accessed: 10 November 2025).
Image 5: Canton of Aargau (2025): Common Hogweed (Heracleum sphondylium).
Available at: https://www.ag.ch/media/kanton-aargau/dfr/bilder/landwirtschaft/neobiota/pflanzen/heracleum-sphondylium/mm-heracleum-sphondylium-pxl-20251012-132525610_large.jpg
(Accessed: 10 November 2025).
Image 6: Canton of Aargau (2025): Wild Angelica (Angelica sylvestris).
Available at: https://www.ag.ch/media/kanton-aargau/dfr/bilder/landwirtschaft/neobiota/pflanzen/angelica-sylvestris/mm-angelica-sylvestris-pxl-20250807-085425066_large.jpg
(Accessed: 10 November 2025).
Image 7: Canton of Aargau (2025): Leaves of Giant Hogweed (Heracleum mantegazzianum).
Available at: https://www.ag.ch/media/kanton-aargau/dfr/bilder/landwirtschaft/neobiota/pflanzen/heracleum-mantegazzianum/heracleum-mantegazzianum-ej-129_large.jpg
(Accessed: 10 November 2025).
Image 8: Canton of Aargau (2025): Leaves of Common Hogweed (Heracleum sphondylium).
Available at: https://www.ag.ch/media/kanton-aargau/dfr/bilder/landwirtschaft/neobiota/pflanzen/heracleum-sphondylium/heracleum-spondylium-ej-02_medium.jpg
(Accessed: 10 November 2025).
Image 9: Canton of Aargau (2025): Leaves of Wild Angelica (Angelica sylvestris).
Available at: https://www.ag.ch/media/kanton-aargau/dfr/bilder/landwirtschaft/neobiota/pflanzen/angelica-sylvestris/mm-angelica-sylvestris-pxl-20250807-085705615_medium.jpg
(Accessed: 10 November 2025).
Image 10: Canton of Aargau (2025): Stem of Giant Hogweed with red spots.
Available at: https://www.ag.ch/media/kanton-aargau/dfr/bilder/landwirtschaft/neobiota/pflanzen/heracleum-mantegazzianum/02-heracleum-mantegazzianum-erjo-107a-min_medium.jpg
(Accessed: 10 November 2025).
Image 11: Vincentz, F. (n.d.): Common Hogweed (Heracleum sphondylium).
Licensed under CC BY-SA 3.0. Wikimedia Commons.
Available at: https://upload.wikimedia.org/wikipedia/commons/6/6f/Heracleum_sphondylium_02_ies.jpg
(Accessed: 10 November 2025).
Image 12: AnRo0002 (n.d.): Wild Angelica (Angelica sylvestris).
Licensed under CC0 1.0 Universal (Public Domain). Wikimedia
Commons.
Available at: https://commons.wikimedia.org/wiki/File:20180812Angelica_sylvestris3.jpg
(Accessed: 10 November 2025).
Image 13: Harry Rose (n.d.): Common Ragweed (Ambrosia artemisiifolia).
Licensed under CC BY 2.0. Wikimedia Commons.
Available at: https://upload.wikimedia.org/wikipedia/commons/6/60/Ambrosia_artemisiifolia_plant7_%2811741895306%29.jpg
(Accessed: 10 November 2025).
Image 14: FOEN/BAFU & University of Lausanne (2015): Invasive alien plants – potential distribution map of Common Ragweed.
Available at: https://map.geo.admin.ch/#/map?lang=de¢er=2677445.89,1193978.34&z=0.366&topic=ech&layers=ch.swisstopo.leichte-basiskarte_reliefschattierung;ch.bafu.neophyten-aufrechtes_traubenkraut;ch.swisstopo.hoheitsgrenze-landesvermessung&bgLayer=void&featureInfo=default&catalogNodes=457,458
(Accessed: 10 November 2025).
Image 15: Ohio State Weed Lab (n.d.): Common Ragweed (Ambrosia artemisiifolia).
Available at: https://tse2.mm.bing.net/th/id/OIP.Ir0jI4yhAyU1xjaE3im93gHaK8
(Accessed: 13 December 2025).
Image 16: Whitmeyer, A. (n.d.): Leaves of Common Ragweed (Ambrosia artemisiifolia). Identify That Plant.
Available at: https://identifythatplant.com/wp-content/uploads/2011/12/Common-ragweed2-1024x905.jpg
(Accessed: 13 December 2025).
Image 17: ambrosiainfo.de (n.d.): Common Mugwort (Artemisia vulgaris).
Available at: http://www.ambrosiainfo.de/images/artemisiavulgaris4127251004.jpg
(Accessed: 13 December 2025).
Image 18: Alsaker, F. (n.d.): Chinese Mugwort (Artemisia verlotiorum). Info Flora.
Available at: https://imgproxy.infoflora.ch/-ySCgzaiXMPu67AaFE-1_g/rs:fit:1000:800:1/g:ce/aHR0cHM6Ly9pbWFnZS5pbmZvZmxvcmEuY2gvZmlsZXMvRnJhbmNvaXNlQWxzYWtlci9mcmFuY29pc2VhbHNha2VyX0JPVF9JTkZPRkxPUkFfQVVTV0FITC8yMTMyX0ZBMzczNTUuanBn.jpg
(Accessed: 13 December 2025).
Image 19: ambrosiainfo.de (n.d.): Leaf underside of Common Mugwort (Artemisia vulgaris).
Available at: http://www.ambrosiainfo.de/images/artemisiavulgarisblattus110507_150.jpg
(Accessed: 13 December 2025).
Image 20: GBIF (n.d.): Leaf underside of Chinese Mugwort (Artemisia verlotiorum).
Available at: https://tse1.mm.bing.net/th/id/OIP.3hb-nyuq3XDlCle0u4P2SAHaFj
(Accessed: 13 December 2025).
Image 21: Novitkaia, M. (n.d.): Inflorescence of Common Ragweed (Ambrosia artemisiifolia).
Available at: https://tse1.mm.bing.net/th/id/OIP.BuvQAT20P4hviSoP8aAtLAHaLH
(Accessed: 13 December 2025).
Image 22: Fischer, C. (n.d.): Inflorescence of Common Mugwort (Artemisia vulgaris).
Licensed under CC BY-SA 3.0. Wikimedia Commons.
Available at: https://upload.wikimedia.org/wikipedia/commons/thumb/6/6f/ArtemisiaVulgaris.jpg/960px-ArtemisiaVulgaris.jpg
(Accessed: 13 December 2025).
Image 23: Bornand, C. (n.d.): Inflorescence of Chinese Mugwort (Artemisia verlotiorum).
Available at: https://tse3.mm.bing.net/th/id/OIP.0fVor-9dz10gULZFqBXUDgHaLH
(Accessed: 13 December 2025).
Image 24. Grün Stadt Zürich (Ed.) (2020): Aktionsplan invasive Neophyten – Figure 3: Actors and their role in
the four-pillar principle. Available at: https://www.stadt-zuerich.ch/content/dam/web/de/planen-bauen/bauberatung-und-dienstleistungen/dokumente/gruenraeume-freiraeume/neophyten/aktionsplan-neophyten-2021-2030.pdf (Accessed 13 Dec. 2025).
Image 25. Pensoft Publishers, (n.d.): Volunteers remove Giant Hogweed. Available at: https://www.eurekalert.org/multimedia/942625 (Accessed 13 Dec. 2025).