CNPS Inventory Plant Detail

Delphinium stachydeum

Common Name:	spiked larkspur
Family:	Ranunculaceae
Synonyms:
Element Code:	PDRAN0B1Q0
Full Name:	Delphinium stachydeum (Gray) Tides.
USDA PLANTS Symbol:	DEST

2009 F. Gauna

Biology
Lifeform: perennial herb Blooming Period: Jun-Aug Habitat: rocky. • Great Basin scrub • Upper montane coniferous forest (edges)

Rarity Status
California Rare Plant Rank: 2B.3 Rare or Endangered in California, common elsewhere .3: Not very endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S3 S3: Vulnerable. Global Rank: G5? G5: Secure, considering populations outside California.

Occurrence Data from CDFW
California Natural Diversity Database

Total # of Known Element Occurrences: 33
Element Occurrence Ranks:

A B C D X U

6 16 3 0 0 8

Population Status:

Historic >20 yrs	Recent <=20 yrs
13	20

Presence:

Present Extant	Possibly Extirpated	Presumed Extirpated
33	0	0

Notes

Possibly threatened by logging and grazing. See Botanical Gazette 12:52 (1887) for original description, Proceedings of the Biological Society of Washington 27:61 (1914) for revised nomenclature, and Brittonia 8:1-22 (1954) for taxonomic treatment.
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: 2013-06-12

Location

Elevation: 1300 - 2600 meters

California Endemic: no

Other States: Idaho, Nevada, Oregon, Utah, Washington

California Counties and Islands: name (code)
Lassen (LAS), Modoc (MOD)

Quads: name (DWR code) USGS code
Shinn Mtn. (638B) 4012062, Fredonyer Peak (640A) 4012065, Buckhorn Lake (656A) 4012081, Observation Peak (656C) 4012072, Cleghorn Flat (658D) 4012075, Emerson Peak (673B) 4112022, Boot Lake (673C) 4112012, Jess Valley (674A) 4112023, Tule Mountain (674B) 4112024, Madeline (674C) 4112014, Cold Spring Mtn. (674D) 4112013, Holbrook Canyon (675D) 4112015, Eagle Peak (690C) 4112032, Davis Creek (708A) 4112063, Larkspur Hills (724D) 4112071

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.

Presumed Extant

Presumed Extirpated or Unknown

223

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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