Species Details

Botrypus virginianus

rattlesnake fern

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Photo of Botrypus virginianus
©2003 Martin J. Lenz
Photo of Botrypus virginianus
©2018 Sierra Pacific Industries
Photo of Botrypus virginianus
©2020 Sierra Pacific Industries
Scientific Name:
Botrypus virginianus (L.) Michx.
Common Name:
rattlesnake fern
Family: Ophioglossaceae
Element Code: PPOPH010H0
USDA Plants Symbol:
Synonyms/Other Names:
CA Rare Plant Rank: 2B.2
Fed List: None
State List: None
Global Rank: G5
State Rank:
Other Status:
CRPR Changes:
changed from 2.2 to 2B.2 on 2013-06-12
Add Date: 2001-01-01
Date Edited: 2022-09-06
Lifeform: perennial herb
Blooming Period: Jun-Sep
715 - 1355 meters
2345 - 4445 feet
General Habitat:
  • Bogs and fens
  • Lower montane coniferous forest (mesic)
  • Meadows and seeps
  • Riparian forest
General Micro Habitat:
Micro Habitat:
  • Streambanks
Possibly threatened by logging.
Not in TJM (1993).
Total Occurrences: 41
Element Occurrence Ranks:
6 19 10 0 0 6
Occurrence Status:
Historical >20 Years 2
Recent <=20 Years 39
Presumed Extant 41
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
Alabama (AL), Alaska (AK), Arizona (AZ), Arkansas (AR), California (CA), Colorado (CO), Connecticut (CT), Delaware (DE), District of Columbia (DC), Florida (FL), Georgia (GA), Idaho (ID), Illinois (IL), Indiana (IN), Iowa (IA), Kansas (KS), Kentucky (KY), Louisiana (LA), Maine (ME), Maryland (MD), Massachusetts (MA), Michigan (MI), Minnesota (MN), Mississippi (MS), Missouri (MO), Montana (MT), Nebraska (NE), Nevada (NV), New Hampshire (NH), New Jersey (NJ), New Mexico (NM), New York (NY), North Carolina (NC), North Dakota (ND), Ohio (OH), Oklahoma (OK), Oregon (OR), Pennsylvania (PA), Rhode Island (RI), South Carolina (SC), South Dakota (SD), Tennessee (TN), Texas (TX), Utah (UT), Vermont (VT), Virginia (VA), Washington (WA), West Virginia (WV), Wisconsin (WI), Wyoming (WY)
California Counties and Islands: Name (Code)
Mendocino (MEN), Shasta (SHA), Siskiyou (SIS), Trinity (TRI)
Quads: Name (Quad Code)
Big Bend (4112118), Buck Rock (3912288), Burney Mtn. West (4012176), City of Mount Shasta (4112233), Damnation Peak (4012285), Dunsmuir (4112223), Eaton Peak (4112238), Girard Ridge (4112222), Hagaman Gulch (4012157), Hatchet Mtn. Pass (4012177), Hennessy Peak (4012375), Jacks Backbone (4012166), Leech Lake Mtn. (3912381), Miller Mtn. (4012167), Montgomery Creek (4012178), Mumbo Basin (4112225), Roaring Creek (4012188), Rush Creek Lakes (4012278), Skunk Ridge (4112117), South China Mtn. (4112235), Tangle Blue Lake (4112226), Tombstone Mtn. (4112213), Trinity Center (4012286), Viola (4012156), Whitmore (4012168)
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.


Presumed Extant
Counties   Quads