Taxon Report

Juncus dudleyi Wieg.

Dudley's rush

Print Report


© 2017 Dean Wm. Taylor

  Classification

Scientific Name:
Juncus dudleyi Wieg.
Common Name:
Dudley's rush
Family: Juncaceae
Element Code: PMJUN01390
USDA Plants Symbol: JUDU2
Synonyms/Other Names:
  • Juncus tenuis Willd. var. dudleyi (Wieg.) F.J. Herm.

Ecology and Life History

Lifeform: perennial herb
Blooming Period: Jul-Aug Jul-Aug
Elevation: 365-2000 (1200-6560)
General Habitats: Lower montane coniferous forest
Microhabitat:
Microhabitat Details:

Occurrence Data from the CNDDB

Total Occurrences: 12
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 0
   Fair (C) 2
   Poor (D) 0
   None (X) 1
   Unknown (U) 9
California Endemic:  False
California Counties and Islands: Name (Code)
Humboldt (HUM), Lassen (LAS), Plumas (PLU), Siskiyou (SIS), Trinity (TRI)
Quads: Name (Quad Code)
Canyondam (4012121), Dedrick (4012371), Gazelle Mtn. (4112246), Mt. Hilton (4012381), Mumbo Basin (4112225), Orleans (4112335), Roop Mountain (4012047), Rush Creek Lakes (4012278), Scott Mountain (4112236), Seiad Valley (4112372), Siligo Peak (4012288), Trinity Center (4012286), Weaverville (4012268)

Threat List Data from the CNDDB

Threat List Total: 2
EOs with Threat Listed: Total EOs % of EOs
2 17 %
Altered flood/tidal/hydrologic regime 1 8%
Waterway bank protection/maintenance 1 8%

Notes

Confused with J. tenuis.
Threats:
Taxonomy:

Selected References

USFS Potential Species of Conservation Concern Profile
Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 26 December 2024].