Species Details

Juncus luciensis

Santa Lucia dwarf rush

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Photo of Juncus luciensis
© 2009 Keir Morse
Photo of Juncus luciensis
© 2014 Dean Wm. Taylor
Photo of Juncus luciensis
© 2014 Dean Wm. Taylor
Scientific Name:
Juncus luciensis Ertter
Common Name:
Santa Lucia dwarf rush
Family: Juncaceae
Element Code: PMJUN013J0
USDA Plants Symbol: JULU2
Synonyms/Other Names:
CA Rare Plant Rank: 1B.2
Fed List: None
State List: None
Global Rank: G3
State Rank:
Other Status: BLM_S; USFS_S
CRPR Changes:
added to 1B.2 on 2009-04-30
Add Date: 2009-04-30
Date Edited: 2022-01-05
Lifeform: annual herb
Blooming Period: Apr-Jul
300 - 2040 meters
985 - 6695 feet
General Habitat:
  • Chaparral
  • Great Basin scrub
  • Lower montane coniferous forest
  • Meadows and seeps
  • Vernal pools
General Micro Habitat:
Micro Habitat:
Potentially threatened by development.
Total Occurrences: 37
Element Occurrence Ranks:
0 1 0 0 0 36
Occurrence Status:
Historical >20 Years 31
Recent <=20 Years 6
Presumed Extant 37
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Lassen (LAS), Modoc (MOD), Monterey (MNT), Napa (NAP), Nevada (NEV), Placer (PLA), Plumas (PLU), Riverside (RIV), San Benito (SBT), San Diego (SDG), San Luis Obispo (SLO), Santa Barbara (SBA), Shasta (SHA)
Quads: Name (Quad Code)
Adelaida (3512067), Bear Canyon (3612113), Big Pine Mtn. (3411966), Buckhorn Lake (4012081), Burnett Peak (3512172), California Valley (3512031), Camatta Ranch (3512043), Cone Peak (3612114), Cosio Knob (3612112), Creston (3512055), Crocker Mtn. (3912084), Cuyamaca Peak (3211685), Detert Reservoir (3812265), Dixie Mountain (3912083), Egg Lake (4112133), Estrella (3512065), Fallbrook (3311743), Ferris Creek (4012013), Frenchman Lake (3912082), Goleta (3411947), Grizzly Valley (3912085), Jacks Backbone (4012166), Janesville (4012035), Jolon (3512182), Julian (3311615), Lake Cachuma (3411958), Martis Peak (3912031), Mount Johnson (3612153), Murrieta (3311752), Norden (3912033), Parkfield (3512084), Paso Robles (3512066), Pikes Point (4012057), Portola (3912074), San Marcos Pass (3411957), Squaw Valley Peak (4012014), Templeton (3512056), Tierra Redonda Mountain (3512078), Wildomar (3311753)
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
Counties   Quads