Plant Detail: Juncus gerardii

* Common Name:	black-grass rush, saltmeadow rush, black-grass
* Genus:	*Juncus*
* Species:	*gerardii*
Subspecies:
* Family (scientific):	Juncaceae
* Family (common):	Rush
Synonyms :	Juncus gerardi
* Distribution in Canada:	British Columbia Ontario Quebec New Brunswick Nova Scotia P.E.I. Newfoundland

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Habitat

Ecozone(s):

Natural Habitat(s):

Erosion Control?

Characteristics		Growing Conditions
* Plant Type:	Grass/Sedge	Moisture Requirements: Light Requirements: Soil Requirements: Temperature Zone:
Evergreen?	No
Average Height:
Tolerances:

Flower Info			Fruit/Seed Info
Showy flowers?			Showy fruit/seeds?
Bloom time:			Edible for humans?
Flower Colour(s):			Fruit/Seed Colour(s):

Miscellaneous
Fragrant Flowers?
Fragrant Foliage?
Fall colours?
Distinctive bark?
Poisonous to humans?
Thorns or prickles?
Attracts wildlife?
Larval host for:
Plant Watch species?

Native Range: Atlantic

Invasive Range: Lakes Ontario, Huron, Erie, and Michigan

Time of Invasion: Introduced in 1864

Invasion Pathway: Unknown, the distribution suggests that invasion occured from commerce and shipping routes

Status: Of moderate concern

Impacts: Dominant salt marsh species, and competes aggresively with native grasses

Control Measures: Unknown
(Invasive Species in Canada)

USDA PLANTS Database

NatureServe

Invasive Species in Canada

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