Lygodium japonicum

Family	Lygodiaceae (alt. Schizaeaceae)
Scientific name	Lygodium japonicum (Thunberg) Swartz
Synonyms	Hydroglossum japonicum (Thunberg) Willdenow; Lygodium chaerophylloides Desvaux; Lygodium dissectum Desvaux; Lygodium japonicum (Thunberg) Swartz forma elongatum Altenwerelt van Rosenburgh; Lygodium japonicum (Thunberg) Swartz var. macrostachyum Tagawa; Lygodium japonicum (Thunberg) Swartz var. microstachyum (Desvaux) Tardieu; Lygodium mearnsii Copeland; Lygodium microsachyum Desvaux; Lygodium microsachyum Desvaux var. glabrescens Nakai; Lygodium pubescens Kaulfuss; Lygodium tenue Blume; Ophioglossum japonicum Thunberg
Common name	(Japanese common name) kani-kusa [crab weed]
	(English common name) Japanese climbing fern
Distribution	(Japan) Honshu (west of Fukushima Prefecture), Shikoku, Kyushu, Okinawa
	(Other nations) Korea, China, Philippines, Vietnam, Thailand, Cambodia, Laos, Malayasia, Indonesia, Papua New Guinea, Nepal, Bhutan, India, Sri Lanka
Chromosomal number	2n=58
Description	Plants creeping, over 200cm lengs Summergreen (sometimes evergreen). Vine. Perennial plants.
Reference	Lygodium japonicum (Thunb.) Sw.
	Lygodium japonicum (Thunb.) Sw.
	Japanese Climbing Fern - Lygodium japonicum
	Lygodium Swartz (Lygodiaceae)
	Hygienic bag and preparation thereof (US Patent 6123946/2000)
	Orally available light-independent antineoplastic compounds (WIPO Patent WO/2008/002460)
Note	Lygodium japonicum is naturalized and invasive plants in the United States. In Japan, this species was common mainly near rural district, however not so common in recent years.

January 2006 at forest edge in lowland village	January 2006 at forest edge in lowland village	January 2006 at forest edge in lowland village

January 2006 at forest edge in lowland village	January 2006 at forest edge in lowland village	January 2006 at forest edge in lowland village