| Asplenium, Asplenium ruta‑muraria, Asplenium trichomanes, Asplenium ceterach, Asplenium septentrionale|
Asplenium adiantum-nigrum is a common species of fern known by the common name black spleenwort. It is found mostly in Africa, Europe, and Eurasia, but is also native to a few locales in Mexico and the United States.
Asplenium adiantum-nigrum Wikipedia
This spleenwort has thick, triangular leaf blades up to 10 centimeters long which are divided into several subdivided segments. It is borne on a reddish green petiole and the rachis is shiny and slightly hairy. The undersides of each leaf segment have one or more sori arranged in chains.Asplenium adiantum-nigrum
is native to:
Northern and Southern Africa in: - Algeria; Lesotho; Morocco; the provinces of South Africa including Eastern Cape, Free State, Gauteng, KwaZulu-Natal, Limpopo, Mpumalanga, Northern Cape, and Western Cape; and Tunisia.
Western Asia and Central Asia in - the Caucasus; Azerbaijan; Cyprus; the Sinai Peninsula of Egypt; Kyrgyzstan; Ciscaucasia and Dagestan in Russia; and Turkey.
Albania; Austria; Belgium; Bulgaria; the Czech Republic; Denmark; Finland; France (including Corsica); Germany; Greece; Hungary; Ireland; Italy (including Sardinia); the Netherlands; Norway; Poland; Portugal, Romania; Spain; Sweden; Switzerland; Ukraine (including Krym); the United Kingdom; and in the Balkan Peninsula (former Yugoslavia)
Macaronesian archipelagoes of: the Azores, Madeira, the Canary Islands.
Southwestern United States - Arizona, Colorado, and Utah
In Hawaii, this native fern grows on cinder cones and lava flows, and it is present in Hawaii Volcanoes National Park.