Taxon Details

Gratiola heterosepala

Boggs Lake hedge-hyssop

View Report Copy Link Calflora eFlora CCH CalPhotos iNaturalist

Taxon Summary:

Gratiola heterosepala, commonly known as Boggs Lake hedge-hyssop, is a annual herb in the Plantaginaceae that is found in California and elsewhere. It occurs within Marshes and swamps (lake margins), and Vernal pools, growing at elevations from 10 to 2375 meters. Gratiola heterosepala is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

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:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	CE (1978-11-01)
Global Rank:	G2
State Rank:	S2
Other Status:	BLM_S
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2022-01-05

Ecology and Life History

Lifeform: annual herb

Blooming Period: Apr-Aug

Elevation:
10 - 2375 meters
35 - 7790 feet

General Habitats:

Marshes and swamps (lake margins)
Vernal pools

Microhabitat Details:

Microhabitat:

Clay

Notes

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:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	16
	Total EOs	% of EOs
EOs with Threat Listed:	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%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					110
A	B	C	D	X	U
21	37	13	3	5	31

Occurrence Status:
Historical >20 Years	72
Recent <=20 Years	38

Presence:
Presumed Extant	105
Possibly Extirpated	1
Presumed Extirpated	4

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Oregon (OR)

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)

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.

Regional Map

Map

Presumed Extant

Click on quad for name. Hold Shift Key to use mouse scroll wheel

CNPS Rare Plant Inventory