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Scientific Name: Riella americana M. Howe & Underw. |
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Common Name: American riella |
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| Family: | Riellaceae | |
| Element Code: | NBHEP31020 | |
| USDA Plants Symbol: | RIAM6 | |
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Synonyms/Other Names: |
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| CA Rare Plant Rank: | 2B.2 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G3 |
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State Rank: |
S1 |
| Other Status: | |
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CRPR Changes: changed from 2.2 to 2B.2 on 2013-06-12 added to 2.2 on 2011-03-23 |
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| Add Date: | 2011-03-23 |
| Date Edited: | 2021-06-03 |
| Lifeform: liverwort (aquatic) | ||
| Blooming Period: Aug-Sep | ||
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Elevation:
1615 - 1615 meters 5300 - 5300 feet |
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General Habitat:
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| General Micro Habitat: Arid and semiarid regions as a submerged aquatic in mud flats. In temporary pools and streams. Also in reservoirs and stock ponds. | ||
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Micro Habitat:
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| Total Occurrences: | 1 | ||||
| Element Occurrence Ranks: | |||||
|---|---|---|---|---|---|
| A | B | C | D | X | U |
| 0 | 0 | 0 | 0 | 0 | 1 |
| Occurrence Status: | |||||
|---|---|---|---|---|---|
| Historical >20 Years | 0 | ||||
| Recent <=20 Years | 1 | ||||
| Presence: | |||||
|---|---|---|---|---|---|
| Presumed Extant | 1 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA), New Mexico (NM), South Dakota (SD), Texas (TX) |
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California Counties and Islands: Name (Code) Modoc (MOD) |
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Quads: Name (Quad Code) Big Sage Reservoir (4112056), Mahogany Ridge (4112055) |
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Notes:
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Presumed Extant
| CNPS Status Review: | CRPR List Addition on 2011-03-23 |