Species Details

Delphinium stachydeum

spiked larkspur

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Classification

Scientific Name: Delphinium stachydeum (Gray) Tides.
Common Name: spiked larkspur
Family:	Ranunculaceae
Element Code:	PDRAN0B1Q0
USDA Plants Symbol:	DEST
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	2B.3
Fed List:	None
State List:	None
Global Rank:	G5?
State Rank:	S3
Other Status:
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2021-12-09

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Jun-Aug

Elevation:
1300 - 2600 meters
4265 - 8530 feet

General Habitats:

Great Basin scrub
Upper montane coniferous forest (edges)

Microhabitat Details:

Microhabitat:

Rocky

Notes

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.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	9
	Total EOs	% of EOs
EOs with Threat Listed:	20	59 %
Grazing	18	52%
Logging	7	20%
Recreational use (non-ORV)	2	5%
Road/trail construction/maint.	2	5%
Foot traffic/trampling	2	5%
Erosion/runoff	1	2%
Improper burning regime	1	2%
Vandalism/dumping/litter	1	2%
ORV activity	1	2%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					34
A	B	C	D	X	U
6	16	3	0	0	9

Occurrence Status:
Historical >20 Years	24
Recent <=20 Years	10

Presence:
Presumed Extant	34
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Idaho (ID), Nevada (NV), Oregon (OR), Utah (UT), Washington (WA)

California Counties and Islands: Name (Code)
Lassen (LAS), Modoc (MOD)

Quads: Name (Quad Code)
Boot Lake (4112012), Buckhorn Lake (4012081), Cleghorn Flat (4012075), Cold Spring Mtn. (4112013), Eagle Peak (4112032), Emerson Peak (4112022), Fredonyer Peak (4012065), Holbrook Canyon (4112015), Jess Valley (4112023), Larkspur Hills (4112071), Observation Peak (4012072), Shinn Mtn. (4012062), Tule Mountain (4112024), West of Snowstorm Mtn. (4012064)

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.

Regional Map

Map

Presumed Extant

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CNPS Rare Plant Inventory