Species Details

Pleuropogon refractus

nodding semaphore grass

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$Photo of Pleuropogon refractus$
©2004 Dean Wm. Taylor

Classification

Scientific Name: Pleuropogon refractus (Gray) Benth.
Common Name: nodding semaphore grass
Family:	Poaceae
Element Code:	PMPOA4Y080
USDA Plants Symbol:	PLRE2
Synonyms/Other Names: Lophochlaena refracta var. refracta

Conservation Status

CA Rare Plant Rank:	4.2
Fed List:	None
State List:	None
Global Rank:	G4
State Rank:	S4
Other Status:	IUCN_LC
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2022-12-06

Ecology and Life History

Lifeform: perennial rhizomatous herb

Blooming Period: (Feb-Mar)Apr-Aug

Elevation:
0 - 1600 meters
0 - 5250 feet

General Habitats:

Lower montane coniferous forest
Meadows and seeps
North Coast coniferous forest
Riparian forest

Microhabitat Details:

Microhabitat:

Mesic

Notes

Notes:
Threats: Threatened by roadside mowing, logging and associated road usage.
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)
California (CA), Oregon (OR), Washington (WA)

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

Quads: Name (Quad Code)
Takilma (4212315), Arcata North (4012481), Arcata South (4012471), Blue Creek Mtn. (4112347), Blue Lake (4012388), Board Camp Mtn. (4012366), Bolinas (3712286), Bridgeville (4012347), Bull Creek (4012431), Capetown (4012443), Childs Hill (4112461), Comptche (3912335), Cotati (3812236), Crannell (4112411), Crescent City (4112472), Denny (4012384), Dutchmans Knoll (3912356), Eureka (4012472), Fern Canyon (4112441), Ferndale (4012453), Fields Landing (4012462), Fort Bragg (3912347), Grouse Mtn. (4012376), Hales Grove (3912377), High Divide (4112481), Hiouchi (4112471), Holter Ridge (4112338), Hopkins Butte (4112325), Hydesville (4012451), Iaqua Buttes (4012368), Inglenook (3912357), Johnsons (4112337), Klamath Glen (4112358), Korbel (4012378), Lord-ellis Summit (4012387), Mad River Buttes (4012367), Mallo Pass Creek (3912316), Maple Creek (4012377), McWhinney Creek (4012461), Noyo Hill (3912346), Orick (4112431), Owl Creek (4012358), Panther Creek (4112318), Redcrest (4012348), Requa (4112451), Rodgers Peak (4112421), Scotia (4012441), Sister Rocks (4112462), Smith River (4112482), Taylor Peak (4012442), Tish Tang Point (4112315), Trinity Mtn. (4112314), Westport (3912367)

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

Species Account:	Pleuropogon refractus profile for potential Species of Conservation Concern evaluation (2022)
Other:	USFS Potential Species of Conservation Concern Profile

CNPS Rare Plant Inventory