CNPS Inventory Plant Detail

Iris bracteata

Common Name:	Siskiyou iris
Family:	Iridaceae
Synonyms:
Element Code:	PMIRI09020
Full Name:	Iris bracteata Wats.
USDA PLANTS Symbol:	IRBR

2010 Jean Pawek

Biology
Lifeform: perennial rhizomatous herb Blooming Period: May-Jun Habitat: serpentinite. • Broadleafed upland forest • Lower montane coniferous forest

Rarity Status

California Rare Plant Rank: 3.3
More Information needed
.3: Not very endangered in California
Federal Listing Status:
Not Listed
State Listing Status:
Not Listed
State Rank: S3S4
S3: Vulnerable. S4: Apparently secure within California.
Global Rank: G4G5
G4: Apparently secure, considering populations outside California. G5: Secure, considering populations outside California.

Occurrence Data from CDFW
California Natural Diversity Database

Total # of Known Element Occurrences:
Element Occurrence Ranks:

A B C D X U

Population Status:

Historic >20 yrs	Recent <=20 yrs

Presence:

Present Extant	Possibly Extirpated	Presumed Extirpated

Notes
Move to List 4? Need locality and abundance information. Hybridizes with other Iris spp. See Proceedings of the American Academy of Arts and Sciences 20:375 (1885) for original description. To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page. Date Added: 1974-01-01 Last Update: 2010-03-15

Location

Elevation: 180 - 1070 meters

California Endemic: no

Other States: Oregon

California Counties and Islands: name (code)
Del Norte (DNT)

Quads: name (DWR code) USGS code
Polar Bear Mtn. (738A) 4112385, Broken Rib Mtn. (738B) 4112386, Shelly Creek Ridge (739A) 4112387, High Plateau Mtn. (739B) 4112388, Gasquet (739C) 4112378

Notes:

Definitions of codes preceding a county and/or quad:
*		Presumed extirpated
?		Uncertain about distribution or identity
?*		Uncertain about distribution, but presumed extirpated if once present
(?)		Occurrence confirmed, but possibly extirpated

Species may be present in other areas where conditions are favorable. This data should NOT be substituted for pre-project review or for on-site surveys.

Includes unprocessed quads for CRPR 3 and 4 plants; unprocessed location data has not been quality controlled and may contain errors.

Presumed Extant

Presumed Extirpated or Unknown

629

Links to Leading Resources of Taxon Information
USDA PLANTS Calflora Consortium of California Herbaria CalPhotos California Department of Fish and Wildlife: CNDDB Quick Viewer

Suggested Citation
California Native Plant Society, Rare Plant Program. . Inventory of Rare and Endangered Plants of California (online edition, v8-03). Website http://www.rareplants.cnps.org [accessed ].

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