Taxon Report

Monardella viminea Greene

willowy monardella

Print Report


© 2015 Keir Morse

  Classification

Scientific Name:
Monardella viminea Greene
Common Name:
willowy monardella
Family: Lamiaceae
Element Code: PDLAM18140
USDA Plants Symbol:
Synonyms/Other Names:
  • Monardella linoides Gray ssp. vimnea (Greene)Abrams

Ecology and Life History

Lifeform: perennial herb
Blooming Period: Jun-Aug Jun-Aug
Elevation: 50-225 (165-740)
General Habitats: Chaparral, Coastal scrub, Riparian forest, Riparian scrub, Riparian woodland
Microhabitat: Alluvial Terraces, Washes
Microhabitat Details: alluvial ephemeral washes

Conservation Status

CA Rare Plant Rank: 1B.1
Global Rank: G1
State Rank:
S1
State List: CE
Fed List: FE
Other Status: SB_CalBG/RSABG; SB_CRES
CRPR Changes:
  • added to 1B on 2004-06-09

Occurrence Data from the CNDDB

Total Occurrences: 30
Element Occurrence Ranks:
   Excellent (A) 1
   Good (B) 5
   Fair (C) 4
   Poor (D) 3
   None (X) 7
   Unknown (U) 10
California Endemic:  True
California Counties and Islands: Name (Code)
San Diego (SDG)
Quads: Name (Quad Code)
Del Mar (3211782), La Jolla (3211772), La Mesa (3211771), National City (3211761), Point Loma (3211762)*, Poway (3211781), San Vicente Reservoir (3211688)

Threat List Data from the CNDDB

Threat List Total: 15
EOs with Threat Listed: Total EOs % of EOs
18 60 %
Erosion/runoff 9 30%
Altered flood/tidal/hydrologic regime 8 26%
Development 8 26%
Non-native plant impacts 7 23%
Road/trail construction/maint. 6 20%
Vandalism/dumping/litter 6 20%
Other 5 16%
ORV activity 4 13%
Foot traffic/trampling 4 13%
Recreational use (non-ORV) 3 10%
Wood cutting or brush clearing 3 10%
Mining 3 10%
Improper burning regime 2 6%
Grazing 1 3%
Channelization 1 3%

Notes

See Pittonia 5:85 (1902) for original description and Novon 13:425-432 (2003) for revised nomenclature.
Threats:
Historical occurrences in Switzer and Beeler canyons extirpated by urbanization. Seriously threatened by urbanization, hydrological alterations, road improvements, vehicles, and non-native plants. Possibly threatened by erosion and alteration of fire regimes. 
Taxonomy:
A synonym of M. linoides ssp. viminea in The Jepson Manual. Can be confused with M. stoneana.

Selected References

CRPR List Addition on 2004-06-09
Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 25 December 2024].