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

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

Rarity Status
Rare Plant Rank: 2B.3 Endangered in California .3: Not very endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S2.3 S2: Imperiled. .3: No current threats known. Global Rank: G5 G5: Secure, considering populations outside California.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 22
Element Occurrence Ranks:

A B C D X U

5 15 2 0 0 0

Population Status:

Historic >20 yrs	Recent <=20 yrs
0	22

Presence:

Present Extant	Possibly Extirpated	Extirpated
22	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

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

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

Quads: name (DWR code) USGS code
Shinn Mtn. (638B) 40120F2, Fredonyer Peak (640A) 40120F5, Buckhorn Lake (656A) 40120H1, Observation Peak (656C) 40120G2, Cleghorn Flat (658D) 40120G5, Emerson Peak (673B) 41120B2, Boot Lake (673C) 41120A2, Jess Valley (674A) 41120B3, Tule Mountain (674B) 41120B4, Madeline (674C) 41120A4, Cold Spring Mtn. (674D) 41120A3, Holbrook Canyon (675D) 41120A5, Eagle Peak (690C) 41120C2, Davis Creek (708A) 41120F3

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.

Presumed Extant

Presumed Extirpated or Unknown

223

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

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-02). California Native Plant Society. Sacramento, CA. http://www.rareplants.cnps.org. Accessed .

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