Species Details

Piperia candida

white-flowered rein orchid

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Photo of Piperia candida
©2016 Barry Rice
Photo of Piperia candida
©2016 Barry Rice
Photo of Piperia candida
©2010 Aaron Schusteff
Scientific Name:
Piperia candida Morgan & Ackerman
Common Name:
white-flowered rein orchid
Family: Orchidaceae
Element Code: PMORC1X050
USDA Plants Symbol: PICA13
Synonyms/Other Names:
CA Rare Plant Rank: 1B.2
Fed List: None
State List: None
Global Rank: G3?
State Rank:
S3
Other Status:
CRPR Changes:
changed from 4.3 to 1B.2 on 2007-10-01
Add Date: 1994-01-01
Date Edited: 2022-08-02
Lifeform: perennial herb
Blooming Period: (Mar)May-Sep
Elevation:
30 - 1310 meters
100 - 4300 feet
General Habitat:
  • Broadleafed upland forest
  • Lower montane coniferous forest
  • North Coast coniferous forest
General Micro Habitat:
Micro Habitat:
  • Serpentinite (sometimes)
Notes:
Difficult to determine rarity as some populations rarely flower. Populations often have small numbers. Difficult to identify from herbarium material. 
Threats:
Threatened by logging, foot traffic, and road construction.
Taxonomy:
Other:
Total Occurrences: 222
Element Occurrence Ranks:
A B C D X U
7 83 65 13 1 53
Occurrence Status:
Historical >20 Years 35
Recent <=20 Years 187
Presence:
Presumed Extant 221
Possibly Extirpated 1
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA), Oregon (OR), Washington (WA)?
California Counties and Islands: Name (Code)
Del Norte (DNT), Humboldt (HUM), Mendocino (MEN), San Mateo (SMT), Santa Clara (SCL), Santa Cruz (SCR), Siskiyou (SIS), Sonoma (SON), Trinity (TRI)
Quads: Name (Quad Code)
Annapolis (3812363), Bailey Ridge (3912324), Bald Hills (4112328), Bear Harbor (3912388), Big Basin (3712222), Big Foot Mtn. (3812372), Blake Mountain (4012355), Board Camp Mtn. (4012366), Briceland (4012318), Bridgeville (4012347), Broken Rib Mtn. (4112386), Buckeye Mtn. (4012432), Bull Creek (4012431), Burbeck (3912344), Cahto Peak (3912365), Cant Hook Mtn. (4112368), Castle Rock Ridge (3712221), Cazadero (3812351), Childs Hill (4112461), Cold Spring (3912315), Comptche (3912335), Crannell (4112411), Davenport (3712212), Eaton Peak (4112238), Elk (3912326), Ettersburg (4012328), Eureka Hill (3812385), Felton (3712211), Fish Lake (4112336), Forest Glen (4012333), Fort Seward (4012326), French Camp Ridge (4112327), Garberville (4012317), Gasquet (4112378), Greenough Ridge (3912334), Guerneville (3812258), Hales Grove (3912377), Harris (4012316), Hennessy Peak (4012375), High Plateau Mtn. (4112388), Hiouchi (4112471), Holter Ridge (4112338), Honeydew (4012421), Hoopa (4112316), Hupa Mountain (4112317)?, Hurdygurdy Butte (4112377), Hyampom (4012354), Iaqua Buttes (4012368), Johnsons (4112337), Kangaroo Mtn. (4112382), Larabee Valley (4012346), Laytonville (3912364), Leggett (3912376), Lincoln Ridge (3912366), Longvale (3912354), Lord-ellis Summit (4012387), Mad River Buttes (4012367), Maple Creek (4012377), Mathison Peak (3912336), McGuire Ridge (3812374), Mindego Hill (3712232), Miranda (4012327), Myers Flat (4012337), Naufus Creek (4012343), Navarro (3912325), Noble Butte (3912386), Northspur (3912345), Ornbaun Valley (3812383), Orrs Springs (3912323), Philo (3912314), Piercy (3912387), Pony Buck Peak (4012331), Preston Peak (4112375), Rodgers Peak (4112421), Salyer (4012385), Sawyers Bar (4112332), Scotia (4012441), Seiad Valley (4112372), Shelly Creek Ridge (4112387), Sherwood Peak (3912355), Showers Mtn. (4012356), Sims Mountain (4012365), Smoky Creek (4012332), Somes Bar (4112344), Thurston Peaks (4012382), Weitchpec (4112326), Weott (4012338), Willits (3912343), Willow Creek (4012386), Yorkville (3812382), Zeni Ridge (3812384)
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.

Map

Presumed Extant
Counties   Quads
CNPS Status Review: Proposed Addition to CNPS List 1B.2
Original Description: Lindleyana 5(4):205-211 (1990)
Species Account: The Wild Orchids of California, p. 109-110 (1995) by R. Coleman 
Species Account: Piperia candida profile for potential Species of Conservation Concern evaluation (2018)