Taxon Report

Gratiola heterosepala Mason & Bacig.

Boggs Lake hedge-hyssop

Print Report


©2004 Carol W. Witham

  Classification
Scientific Name:
 Gratiola heterosepala Mason & Bacig.
Common Name:
 Boggs Lake hedge-hyssop
Family: Plantaginaceae
Element Code: PDSCR0R060
USDA Plants Symbol: GRHE
Synonyms/Other Names:

Ecology and Life History
Lifeform: annual herb
Blooming Period: Apr-Aug Apr-Aug
Elevation: 10-2375 (35-7790)
General Habitats: Marshes and swamps, Vernal pools
Microhabitat: Clay
Microhabitat Details:

Conservation Status
CA Rare Plant Rank: 1B.2
Global Rank: G2
State Rank:
 S2
State List: CE
Fed List: None
Other Status: BLM_S
CRPR Changes:

Occurrence Data from the CNDDB
Total Occurrences: 110
Element Occurrence Ranks:
   Excellent (A) 21
   Good (B) 37
   Fair (C) 13
   Poor (D) 3
   None (X) 5
   Unknown (U) 31

Location
California Endemic:  False
California Counties and Islands: Name (Code)
Fresno (FRE), Lake (LAK), Lassen (LAS), Madera (MAD), Mendocino (MEN), Merced (MER), Modoc (MOD), Placer (PLA), Sacramento (SAC), San Joaquin (SJQ), Shasta (SHA), Siskiyou (SIS), Solano (SOL), Sonoma (SON), Tehama (TEH)
Quads: Name (Quad Code)
Ambrose (4112058), Ambrose Valley (4112027), Balls Ferry (4012242), Bend (4012232), Big Sage Reservoir (4112056), Boles Meadows West (4112068), Buffalo Creek (3812152), Bullard Lake (4012078), Cable Mtn. (4012183), Carmichael (3812153), Champs Flat (4012068), Clearlake Highlands (3812286), Corning (3912282), Dales (4012231), Dead Horse Reservoir (4112065), Dorris Reservoir (4112044), Dozier (3812137), Eagle Peak (4112032), Egg Lake (4112133), Elk Grove (3812143), Goose Creek (3812131), Hager Basin (4112077), Henleyville (3912283), Hermit Butte (4112037), Kelseyville (3812287), Knobcone Butte (4112151), Lincoln (3812183), Los Molinos (4012211), Madeline (4112014), Mahogany Ridge (4112055), Mark West Springs (3812256), Medicine Lake (4112155), Middletown (3812275), Millerton Lake East (3711915), Murken Bench (4012174), Old Station (4012164), Palo Cedro (4012252), Petes Valley (4012054), Pittville (4112113), Planada (3712033), Pleasant Grove (3812174), Pothole Valley (4112078), Purdys Gardens (3912311), Richardson Springs NW (3912188), Rimrock Lake (4112162), Rio Linda (3812164)*, Rocklin (3812172), Roseville (3812173), Sheridan (3812184), Sloughhouse (3812142), South Mtn. (4112076), Spalding Tract (4012067), Swains Hole (4012163), Timbered Crater (4112124), Tule Mountain (4112024), Tuscan Buttes Ne (4012241), Vina (3912281), Washington Mtn. (4112048), West of Snowstorm Mtn. (4012064), Whittemore Ridge (4112066)

Threat List Data from the CNDDB

Threat List Total: 16
EOs with Threat Listed: Total EOs % of EOs
75 68 %
Grazing 54 49%
Foot traffic/trampling 19 17%
Development 16 14%
Other 5 4%
Altered flood/tidal/hydrologic regime 4 3%
Landfill 2 1%
Mining 2 1%
Non-native animal impacts 2 1%
Non-native plant impacts 2 1%
Recreational use (non-ORV) 2 1%
Road/trail construction/maint. 2 1%
Agriculture 2 1%
Feral pigs 2 1%
ORV activity 1 0%
Biocides 1 0%
Erosion/runoff 1 0%

Notes
Threatened by agriculture, development, grazing, trampling, and vehicles. Known from one occurrence in OR, where state listed as Threatened. Lassen NF has adopted species management guidelines. See Madroño 12(5):150-152 (1954) for original description.
Threats:
Taxonomy:

Selected References

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].