Taxon Details
Rhynchospora alba
white beaked-rush
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© 2021 Scot Loring |
© 2006 Dean Wm. Taylor |
© 2017 Dean Wm. Taylor |
Taxon Summary:
Rhynchospora alba, commonly known as white beaked-rush, is a perennial rhizomatous herb in the Cyperaceae that is found in California and elsewhere. It occurs within Bogs and fens, Marshes and swamps (freshwater), and Meadows and seeps, growing at elevations from 60 to 2040 meters. Rhynchospora alba is ranked 2B.2, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Moderately threatened in California.|
Scientific Name: Rhynchospora alba (L.) Vahl |
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Common Name: white beaked-rush |
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| Family: | Cyperaceae | |
| Element Code: | PMCYP0N010 | |
| USDA Plants Symbol: | RHAL3 | |
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Synonyms/Other Names: |
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| Name Status: |
JEF, FNA, POWO, IPNI, Tropicos |
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| CA Rare Plant Rank: | 2B.2 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G5 |
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State Rank: |
S2 |
| Other Status: | IUCN_LC |
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CRPR Changes: |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2021-07-14 |
| Lifeform: perennial rhizomatous herb | ||||||||||||||
Blooming Period: Jun-Aug
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Elevation:
60 - 2040 meters 195 - 6695 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
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Microhabitat:
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| Threat List Total: | 8 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 6 | 35 % |
| THREAT LIST: | ||
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| Foot traffic/trampling | 2 | 11% |
| Altered flood/tidal/hydrologic regime | 2 | 11% |
| Biocides | 1 | 5% |
| Grazing | 1 | 5% |
| Non-native plant impacts | 1 | 5% |
| ORV activity | 1 | 5% |
| Other | 1 | 5% |
| Vandalism/dumping/litter | 1 | 5% |
| Total Occurrences: | 17 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 5 | 3 | 0 | 0 | 0 | 9 |
| Occurrence Status: | |||||
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| Historical >20 Years | 6 | ||||
| Recent <=20 Years | 11 | ||||
| Presence: | |||||
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| Presumed Extant | 17 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) Alabama (AL), Alaska (AK), California (CA), Connecticut (CT), Delaware (DE), District of Columbia (DC), Georgia (GA), Idaho (ID), Illinois (IL), Indiana (IN), Maine (ME), Maryland (MD), Massachusetts (MA), Michigan (MI), Minnesota (MN), New Hampshire (NH), New Jersey (NJ), New York (NY), North Carolina (NC), Ohio (OH), Oregon (OR), Pennsylvania (PA), Rhode Island (RI), South Carolina (SC), Tennessee (TN), Vermont (VT), Virginia (VA), Washington (WA), West Virginia (WV), Wisconsin (WI) |
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California Counties and Islands: Name (Code) Del Norte (DNT), Mariposa (MPA)?, Mendocino (MEN), Nevada (NEV)?, Plumas (PLU), Sonoma (SON), Tehama (TEH), Trinity (TRI), Tuolumne (TUO) |
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Quads: Name (Quad Code) Childs Meadows (4012134), Cisco Grove (3912035), Covington Mill (4012287), Crescent Mills (4012018), El Capitan (3711966), Fort Bragg (3912347), Gasquet (4112378), Graniteville (3912046), Half Dome (3711965), Inglenook (3912357), Mathison Peak (3912336), Mt. Harkness (4012143), Pinecrest (3811928), Reading Peak (4012144), Sebastopol (3812247), Smoky Creek (4012332), Tamarack Flat (3711976), Yosemite Falls (3711975) |
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Notes:
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Presumed Extant
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