Botrychium crenulatum
Common Name: scalloped moonwort
Family: Ophioglossaceae
Element Code: PPOPH010L0
Full Name: Botrychium crenulatum W. Wagner

2011 Aaron E. Sims
Biology Glossary
  • Lifeform: perennial rhizomatous herb
  • Blooming Period: June - September
  • Habitat:  
    • Bogs and fens
    • Lower montane coniferous forest
    • Meadows and seeps
    • Marshes and swamps (freshwater)
    • Upper montane coniferous forest
Rarity Status Glossary
Occurrence Data from DFG
California Natural Diversity Database Glossary
  • Total # of Known Element Occurrences: 99
  • Element Occurrence Ranks:
    A B C D X U
    9 27 17 6 0 40
  • Population Status:
    >20 yrs
    <=20 yrs
    10 89
  • Presence:
    Present Extant Possibly Extirpated Extirpated
    99 0 0
Notes Glossary
  • Scattered but not common anywhere in CA. On watch list in NV, candidate for state listing in OR, and state-listed as Sensitive in WA. Threatened by foot traffic, grazing, trampling, recreational activities, fuel reduction projects, road deconstruction, and vehicles. Possibly threatened by logging and hydrological alterations. See American Fern Journal 71(1):21 (1981) for original description, and Madroño 36(2):131-136 (1989) for distributional information.
  • To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
  • Date Added: 1984-01-01
  • Last Update: 2014-01-30
Location Glossary
  • Elevation: 1268 - 3280 meters
  • California Endemic: no
  • States: California, Arizona, Idaho, !MT, Nevada, Oregon, Utah, Washington, Wyoming
  • California Counties and Islands:   name (code)
    Alpine (ALP),  Amador (AMA),  Butte (BUT),  Calaveras (CAL),  Colusa (COL),  El Dorado (ELD),  Fresno (FRE),  Inyo (INY),  Lake (LAK),  Lassen (LAS),  Los Angeles (LAX),  Mono (MNO),  Modoc (MOD),  Nevada (NEV),  Placer (PLA),  Plumas (PLU),  San Bernardino (SBD),  Shasta (SHA),  Sierra (SIE),  Siskiyou (SIS),  Tehama (TEH),  Trinity (TRI),  Tulare (TUL),  Tuolumne (TUO)
  • Quads:   name (DWR code) USGS code
    Onyx Peak (104B) 34116B6,  Moonridge (105A) 34116B7,  Big Bear Lake (105B) 34116B8,  Forest Falls (105C) 34116A8,  Mount San Antonio (134C) 34117C6,  Telegraph Peak (134D) 34117C5,  Crystal Lake (135D) 34117C7,  Monache Mountain (306B) 36118B2,  Crag Peak (306C) 36118A2,  Casa Vieja Meadows (307A) 36118B3,  Manzanar (351B) 36118F2,  Coyote Flat (393B) 37118B4,  Crooked Creek (412A) 37118D1,  Mt. Morgan (414B) 37118D6,  Kaiser Peak (416C) 37119C2,  Mt. Barcroft (431C) 37118E2,  Station Peak (431D) 37118E1,  Convict Lake (434D) 37118E7,  Mount Dana (453B) 37119H2,  Tioga Pass (454A) 37119H3,  Cherry Lake North (473C) 38119A8,  Sweetwater Creek (487B) 38119D2,  Mt. Patterson (488A) 38119D3,  Dardanelles Cone (490A) 38119D7,  Calaveras Dome (491B) 38120D2,  Boards Crossing (491C) 38120C2,  Bear River Reservoir (507C) 38120E2,  South Lake Tahoe (522B) 38119H8,  Loon Lake (524A) 38120H3,  Tahoe City (538B) 39120B2,  Homewood (538C) 39120A2,  Hobart Mills (554B) 39120D2,  Independence Lake (555A) 39120D3,  Norden (555D) 39120C3,  Cisco Grove (556D) 39120C5,  St. John Mtn. (564B) 39122D6,  Fouts Springs (564C) 39122C6,  Potato Hill (565D) 39122C7,  Sattley (571C) 39120E4,  Blairsden (588D) 39120G5,  Soapstone Hill (591D) 39121G3,  Humbug Valley (607A) 40121B3,  Humboldt Peak (607B) 40121B4,  Jonesville (607C) 40121A4,  Butte Meadows (608D) 40121A5,  Roop Mountain (623A) 40120D7,  Pegleg Mtn. (623B) 40120D8,  Red Cinder (624B) 40121D2,  Westwood West (624D) 40121C1,  Lassen Peak (626A) 40121D5,  Grays Peak (626B) 40121D6,  Mineral (626D) 40121C5,  Gallatin Peak (640C) 40120E6,  Jacks Backbone (644B) 40121F6,  Viola (644C) 40121E6,  Miller Mtn. (645A) 40121F7,  Skunk Ridge (680D) 41121A7,  Seven Lakes Basin (682B) 41122B4,  Mumbo Basin (683A) 41122B5,  Warren Peak (690B) 41120D2,  Eagle Peak (690C) 41120C2,  Shields Creek (691A) 41120D3,  Soup Creek (691D) 41120C3,  Davis Creek (708A) 41120F3,  Mt. Bidwell (724B) 41120H2,  Willow Ranch (725A) 41120H3
  • Notes:
      Definitions of codes preceding a county and/or quad:
      * Presumed extirpated
      ? Uncertain about distribution or identity
      ?* Uncertain about distribution, but presumed extirpated if once present
      (?) Occurrence confirmed, but possibly extirpated
      Species may be present in other areas where conditions are favorable.
Presumed Extant Presumed Extirpated or Unknown 360
Links to Leading Resources of Taxon Information
Suggested Citation
CNPS, Rare Plant Program. . Inventory of Rare and Endangered Plants (online edition, v8-02). California Native Plant Society, Sacramento, CA. Website [accessed ].

34116B6=Onyx Peak (104B) 34116B6;34116B7=Moonridge (105A) 34116B7;34116B8=Big Bear Lake (105B) 34116B8;34116A8=Forest Falls (105C) 34116A8;34117C6=Mount San Antonio (134C) 34117C6;34117C5=Telegraph Peak (134D) 34117C5;34117C7=Crystal Lake (135D) 34117C7;36118B2=Monache Mountain (306B) 36118B2;36118A2=Crag Peak (306C) 36118A2;36118B3=Casa Vieja Meadows (307A) 36118B3;36118F2=Manzanar (351B) 36118F2;37118B4=Coyote Flat (393B) 37118B4;37118D1=Crooked Creek (412A) 37118D1;37118D6=Mt. Morgan (414B) 37118D6;37119C2=Kaiser Peak (416C) 37119C2;37118E2=Mt. Barcroft (431C) 37118E2;37118E1=Station Peak (431D) 37118E1;37118E7=Convict Lake (434D) 37118E7;37119H2=Mount Dana (453B) 37119H2;37119H3=Tioga Pass (454A) 37119H3;38119A8=Cherry Lake North (473C) 38119A8;38119D2=Sweetwater Creek (487B) 38119D2;38119D3=Mt. Patterson (488A) 38119D3;38119D7=Dardanelles Cone (490A) 38119D7;38120D2=Calaveras Dome (491B) 38120D2;38120C2=Boards Crossing (491C) 38120C2;38120E2=Bear River Reservoir (507C) 38120E2;38119H8=South Lake Tahoe (522B) 38119H8;38120H3=Loon Lake (524A) 38120H3;39120B2=Tahoe City (538B) 39120B2;39120A2=Homewood (538C) 39120A2;39120D2=Hobart Mills (554B) 39120D2;39120D3=Independence Lake (555A) 39120D3;39120C3=Norden (555D) 39120C3;39120C5=Cisco Grove (556D) 39120C5;39122D6=St. John Mtn. (564B) 39122D6;39122C6=Fouts Springs (564C) 39122C6;39122C7=Potato Hill (565D) 39122C7;39120E4=Sattley (571C) 39120E4;39120G5=Blairsden (588D) 39120G5;39121G3=Soapstone Hill (591D) 39121G3;40121B3=Humbug Valley (607A) 40121B3;40121B4=Humboldt Peak (607B) 40121B4;40121A4=Jonesville (607C) 40121A4;40121A5=Butte Meadows (608D) 40121A5;40120D7=Roop Mountain (623A) 40120D7;40120D8=Pegleg Mtn. (623B) 40120D8;40121D2=Red Cinder (624B) 40121D2;40121C1=Westwood West (624D) 40121C1;40121D5=Lassen Peak (626A) 40121D5;40121D6=Grays Peak (626B) 40121D6;40121C5=Mineral (626D) 40121C5;40120E6=Gallatin Peak (640C) 40120E6;40121F6=Jacks Backbone (644B) 40121F6;40121E6=Viola (644C) 40121E6;40121F7=Miller Mtn. (645A) 40121F7;41121A7=Skunk Ridge (680D) 41121A7;41122B4=Seven Lakes Basin (682B) 41122B4;41122B5=Mumbo Basin (683A) 41122B5;41120D2=Warren Peak (690B) 41120D2;41120C2=Eagle Peak (690C) 41120C2;41120D3=Shields Creek (691A) 41120D3;41120C3=Soup Creek (691D) 41120C3;41120F3=Davis Creek (708A) 41120F3;41120H2=Mt. Bidwell (724B) 41120H2;41120H3=Willow Ranch (725A) 41120H3