Calflora: Sisymbrium irio

Sisymbrium irio L.

London rocket

Sisymbrium irio, a dicot, is an annual herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.

The California Invasive Plant Council (Cal-IPC) classifies the potential impact of Sisymbrium irio on native ecosystems as moderate (plant profile).

Communities:	weed, species characteristic of disturbed places
Habitat:	disturbed [Walker]
Elevation:	between 0 and 2625 feet
Family:	BRASSICACEAE
Related:	See a list of other species in the genus Sisymbrium found in California.

Accepted by TJM2 + PLANTS + JM93

Other Names:
(according to)

Norta irio

Bloom Period

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Observation

Observation Hotline
including observations with photos

Distribution by County:

See a detailed Distribution Grid of this plant in California.

A shaded county indicates that there are ocurrence records of this plant within the county.

Hover the mouse over the map to see county names. Click to view records from that county.

	There are specimen records from this county in an herbarium.
	There are documented records, vouchered or confirmed by an expert.
	There are reported records.
	There are reported records available indirectly (eg. in botanical literature).

Records by County, with approximate record counts in the form: TOTAL / CCH. Click county name to view records.

CCH: records provided by the participants of the Consortium of California Herbaria.

Information about Sisymbrium irio from other sources:

Photos on Picasa / Flickr / Google Images
website references on Google
USDA PLANTS Profile (SIIR)

UC Integrated Pest Management Weed Photo Gallery
(profile of this plant as an agricultural weed)
2012 Jepson Manual Treament from the Jepson Herbarium,
University of California, Berkeley
Original Publication citation. on the International Plants Names Index
Search efloras.org (Flora of North America)
Search the Lady Bird Johnson Wildflower Center Native Plant Database