Species Details

Tiarella trifoliata var. trifoliata

trifoliate laceflower

Download Report Calflora eFlora CCH CalPhotos

Photo of Tiarella trifoliata var. trifoliata

Classification

Scientific Name: Tiarella trifoliata L. var. trifoliata
Common Name: trifoliate laceflower
Family:	Saxifragaceae
Element Code:	PDSAX10031
USDA Plants Symbol:	TITRT
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	3.2
Fed List:	None
State List:	None
Global Rank:	G5T5
State Rank:	S2S3
Other Status:
CRPR Changes: changed from 3 to 3.2 on 2012-08-03
Add Date:	1980-01-01
Date Edited:	2022-06-08

Ecology and Life History

Lifeform: perennial rhizomatous herb

Blooming Period: (May)Jun-Aug

Elevation:
170 - 1500 meters
560 - 4920 feet

General Habitats:

Lower montane coniferous forest
North Coast coniferous forest

Microhabitat Details: moist shady banks

Microhabitat:

Edges
Streambanks

Notes

Notes: Move to CRPR 2B? Location, rarity, and endangerment information needed, especially quads for TRI Co. Possibly threatened by logging, road maintenance, and recreational activities. Intergrades with var. unifoliata. See Madroño 18(5):152-160 (1966) for additional information.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	0
	Total EOs	% of EOs
EOs with Threat Listed:	0	0 %

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					0
A	B	C	D	X	U
0	0	0	0	0	0

Occurrence Status:
Historical >20 Years	0
Recent <=20 Years	0

Presence:
Presumed Extant	0
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
Alaska (AK), California (CA), Idaho (ID), Montana (MT), Oregon (OR), Washington (WA)

California Counties and Islands: Name (Code)
Del Norte (DNT), Humboldt (HUM), Mendocino (MEN)

Quads: Name (Quad Code)
Ah Pah Ridge (4112348), Blue Lake (4012388), Board Camp Mtn. (4012366), Briceland (4012318), Hiouchi (4112471), Johnsons (4112337), Korbel (4012378), Lord-ellis Summit (4012387), Maple Creek (4012377), Noyo Hill (3912346), Owl Creek (4012358), Scotia (4012441)

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