CERATOPHYLLACEAE

This family comprises 10 species of rootless water plants in a single genus of cosmopolitan distribution.

One species has been incriminated on circumstantial evidence as being capable of inducing Oppenheim's meadow dermatitis.

Ceratophyllum submersum L.

Hornwort

This species was reported on circumstantial evidence to have caused a form of Oppenheim's meadow dermatitis in bathers (Touton 1928, Touton 1932). Prosser White (1934) suggested that the skin reaction had been caused by chlorophyll from damaged plant material, as had been described by Kitchevatz (1933).

References

• Kitchevatz M (1933) Photodermite actino-calorique chlorophyllienne. Note préliminaire. Bulletin de la Société Française de Dermatologie et de Syphiligraphie 40(May 11): 761-764
• Prosser White R (1934) The Dermatergoses or Occupational Affections of the Skin, 4th edn. London: HK Lewis [doi] [WorldCat] [url] [url-2]
• Touton (1928) Eine Ursache beim Baden entstehender Hautausschläge. Dermatologische Wochenschrift 87(51): 1931-1937
• Touton K (1932) Hauterkrankungen durch phanerogamische Pflanzen und ihre Produkte (Toxicodermia et Allergodermia phytogenes) [Skin Diseases Caused by Phanerogamic Plants and their Products (Toxicodermia et Allergodermia phytogenes)]. In: Jadassohn J (Ed.) Handbuch der Haut- und Geschlechtskrankheiten. Band IV, Teil I. Angeborene Anomalien. Lichtdermatosen. Pflanzengifte. Thermische Schädigungen. Einfluss Innerer Störungen auf die Haut [Handbook of Skin and Venereal Diseases. Volume IV, Part I. Congenital abnormalities. Photodermatoses. Plant toxins. Thermal injuries. Influence of internal disorders on the skin], pp. 487-697. Berlin: Julius Springer [doi] [WorldCat] [url] [url-2]

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