|
|
Scientific Name: Riella americana M. Howe & Underw. |
||
|
Common Name: American riella |
||
| Family: | Riellaceae | |
| Element Code: | NBHEP31020 | |
| USDA Plants Symbol: | RIAM6 | |
|
Synonyms/Other Names: |
||
| CA Rare Plant Rank: | 2B.2 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G2G3 |
|
State Rank: |
S1 |
| Other Status: | |
|
CRPR Changes: changed from 2.2 to 2B.2 on 2013-06-12 added to 2.2 on 2011-03-23 |
|
| Add Date: | 2011-03-23 |
| Date Edited: | 2024-03-06 |
| Lifeform: liverwort (aquatic) | ||||||||||||||
Blooming Period: Aug-Sep
|
||||||||||||||
|
Elevation:
1615 - 1615 meters 5300 - 5300 feet |
||||||||||||||
General Habitats:
|
||||||||||||||
| Microhabitat Details: Arid and semiarid regions as a submerged aquatic in mud flats. In temporary pools and streams. Also in reservoirs and stock ponds. | ||||||||||||||
|
Microhabitat:
|
||||||||||||||
| Threat List Total: | 0 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 0 | % |
| THREAT LIST: | ||
|---|---|---|
| No threats | ||
| 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: | |||||||||||||
|
States: Name (Code) California (CA), New Mexico (NM), South Dakota (SD), Texas (TX) |
|||||||||||||
|
California Counties and Islands: Name (Code) Modoc (MOD) |
|||||||||||||
|
Quads: Name (Quad Code) Big Sage Reservoir (4112056), Mahogany Ridge (4112055) |
|||||||||||||
Notes:
|
|||||||||||||
Presumed Extant
Click on quad for name. Hold Shift Key to use mouse scroll wheel