Slender Rush
Juncus tenuis WilldennowJuncaceae

common name synonyms: Poverty Rush, Field Rush, Wiregrass, Slender Yard Rush, Path Rush

scientific name synonyms: var. anthelatus, var. multicornis, var. williamsii, J. macer, J. gesneri, J. gracilis, J. bicornis

subclass: Monocotyledoneae

superorder: Commelinidae

order: Juncales

growth form: herb

life history: perennial

level of invasiveness: naturalized

weedy in native range: Yes

noxious weed in the u.s.: No

type of introduction: Accidental

number of vectors: 1.0

introduced range: Czech Republic, Northern Europe, Western Europe, Central Europe, Britain, Norway

native range: North America

notes: found in roadsides and other damp open habitats, rarely in damp grassland, widely naturalized (Fl Eur 1964); long established, poss. origianlly imported with hay from America, naturalized in woodland rides, by paths and on roadsides in many places throughout the British Isles, sometimes abundantly, increasing; in Belgium in 1825, Britain in 1883, increased over time, seed dispersal is due to slimy coating, adhere to bird feet and boots, wheels, etc., also internal bird transport and external most common long distance, but also common along footpaths and trackways, which suggests human role, also wind, also cleistogamous; originally introduced in Norway via ballast, now spread along railways and roads

invasiveness notes: naturalized

Credits: Credits: (c) 2001-2006 J. Forman Orth