Species Details

Erysimum menziesii

Menzies' wallflower

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Photo of Erysimum menziesii
©2007 Steve Matson
Photo of Erysimum menziesii
©Rick York and CNPS

Species Description:

Erysimum menziesii, commonly known as Menzies' wallflower, is a perennial herb in the Brassicaceae that is found only in California. It occurs within Coastal dunes, growing at elevations from 0 to 35 meters. Erysimum menziesii is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

Notes:
Plants treated as sspp. eurekense (known only from the Humboldt Bay area; threatened by development, vehicles, and non-native plants), menziesii (nearly extirpated on the Monterey Peninsula; seriously threatened by development, vehicles, deer browsing, and non-native plants), and yadonii (known only from near Marina on Monterey Bay; threatened by development and sand mining) are not validly published; see these names in TJM (1993). See Zoe 5(6-8):103 (1901) for original description.
Threats:
Taxonomy:
Threat List Total: 10
Total EOs % of EOs
EOs with Threat Listed: 17 89 %
THREAT LIST:
Non-native plant impacts 13 68%
ORV activity 9 47%
Development 9 47%
Foot traffic/trampling 8 42%
Erosion/runoff 5 26%
Total Occurrences: 19
Element Occurrence Ranks:
A B C D X U
3 8 3 2 3 0
Occurrence Status:
Historical >20 Years 7
Recent <=20 Years 12
Presence:
Presumed Extant 16
Possibly Extirpated 3
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Humboldt (HUM), Mendocino (MEN), Monterey (MNT)
Quads: Name (Quad Code)
Cannibal Island (4012463), Eureka (4012472), Fort Bragg (3912347), Inglenook (3912357), Marina (3612167), Monterey (3612158), Tyee City (4012482)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.
Presumed Extant
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