Asplenium trichomanes subsp. quadrivalens D.E.Mey., Ber. Deutsch. Bot. Ges. 74: 456 (1962) (syn: Asplenium lovisii Rothm.Asplenium quadrivalens (D.E.Mey.) Landolt ; Asplenium trichomanes subsp. lovisii Rothm.);
N. America, Temp. & Subtropical Old World to NE. & E. Tropical Africa: Afghanistan, Albania, Algeria, Austria, Azores, Baleares, Baltic States, Belarus, Belgium, British Columbia, Bulgaria, Canary Is., Cape Provinces, Cape Verde, Central European Rus, China North-Central, China South-Central, China Southeast, Connecticut, Corse, Cyprus, Czechoslovakia, Denmark, East European Russia, East Himalaya, Ethiopia, Finland, France, Free State, Føroyar, Germany, Great Britain, Greece, Hungary, Iceland, Illinois, Iran, Iraq, Ireland, Italy, Japan, Kenya, Korea, Kriti, Krym, KwaZulu-Natal, Lebanon-Syria, Lesotho, Madeira, Maine, Maryland, Massachusetts, Michigan, Morocco, Nepal, Netherlands, New Hampshire, New Jersey, New York, North Caucasus, North European Russi, Northern Provinces, Northwest European R, Norway, Ohio, Ontario, Oregon, Pakistan, Palestine, Pennsylvania, Poland, Portugal, Québec, Romania, Sardegna, Saudi Arabia, Sicilia, Socotra, Somalia, Spain, Sweden, Switzerland, Taiwan, Tanzania, Tibet, Transcaucasus, Tunisia, Turkey, Turkey-in-Europe, Ukraine, Vermont, Virginia, Washington, West Himalaya, West Virginia, Wisconsin, Xinjiang, Yemen, Yugoslavia, Zimbabwe as per POWO;

Asplenium trichomanes: 3 images.
Asplenium trichomanes
August 2016

Did you know that A. trichomanes is a complex species aggregate, with many different subspecies, cytotypes etc.  This appears to be subsp. quadrivalens, the most widespread




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