Species Details

Delphinium stachydeum

spiked larkspur

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Scientific Name:
Delphinium stachydeum (Gray) Tides.
Common Name:
spiked larkspur
Family: Ranunculaceae
Element Code: PDRAN0B1Q0
USDA Plants Symbol: DEST
Synonyms/Other Names:
CA Rare Plant Rank: 2B.3
Fed List: None
State List: None
Global Rank: G5?
State Rank:
S3
Other Status:
CRPR Changes:
changed from 2.3 to 2B.3 on 2013-06-12
Add Date: 1974-01-01
Date Edited: 2021-12-09
Lifeform: perennial herb
Blooming Period: Jun-Aug
JFMAMJJASOND
Elevation:
1300 - 2600 meters
4265 - 8530 feet
General Habitats:
  • Great Basin scrub
  • Upper montane coniferous forest (edges)
Microhabitat Details:
Microhabitat:
  • Rocky
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 Total: 9
Total EOs % of EOs
EOs with Threat Listed: 20 59 %
THREAT LIST:
Grazing 18 52%
Logging 7 20%
Recreational use (non-ORV) 2 5%
Road/trail construction/maint. 2 5%
Foot traffic/trampling 2 5%
Total Occurrences: 34
Element Occurrence Ranks:
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
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.
Presumed Extant
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