Taxon Details
Tuctoria mucronata
Crampton's tuctoria or Solano grass
View Report Copy Link Calflora eFlora CCH CalPhotos iNaturalist
|
Taxon Summary:
Tuctoria mucronata, commonly known as Crampton's tuctoria or Solano grass, is a annual herb in the Poaceae that is found only in California. It occurs within Valley and foothill grassland (mesic), and Vernal pools, growing at elevations from 5 to 10 meters. Tuctoria mucronata is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.|
Scientific Name: Tuctoria mucronata (Crampt.) J. Reeder |
||
|
Common Name: Crampton's tuctoria or Solano grass |
||
| Family: | Poaceae | |
| Element Code: | PMPOA6N020 | |
| USDA Plants Symbol: | TUMU | |
|
Synonyms/Other Names: |
||
| Name Status: |
JEF, FNA, POWO, IPNI, Tropicos |
|
| CA Rare Plant Rank: | 1B.1 |
| Fed List: | FE (1978-09-28) |
| State List: | CE (1979-07-01) |
| Global Rank: | G1 |
|
State Rank: |
S1 |
| Other Status: | SB_CalBG/RSABG |
|
CRPR Changes: |
|
| Add Date: | 1974-01-01 |
| Date Edited: | 2021-05-26 |
| Lifeform: annual herb | ||||||||||||||
Blooming Period: Apr-Aug
|
||||||||||||||
|
Elevation:
5 - 10 meters 15 - 35 feet |
||||||||||||||
General Habitats:
|
||||||||||||||
| Microhabitat Details: | ||||||||||||||
|
Microhabitat:
|
||||||||||||||
|
Notes: Known from only three occurrences: one at Olcott Lake at Jepson Prairie Preserve, one nearby on private land, and one south of Davis on DOD land. Only four plants found at Jepson Prairie in 1993, and none in 1994-1996, 1998, 2000 and later; site presumed extirpated in 2005. Threatened by non-native plants. See Madroño 15(4):106-108 (1959) for original description, and American Journal of Botany 69:1082-1095 (1982) for revised taxonomy. |
|
|
Threats: |
|
|
Taxonomy: |
|
| Threat List Total: | 7 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 4 | 100 % |
| THREAT LIST: | ||
|---|---|---|
| Non-native plant impacts | 2 | 50% |
| Other | 2 | 50% |
| Grazing | 2 | 50% |
| Insufficient population/stand size | 1 | 25% |
| Altered flood/tidal/hydrologic regime | 1 | 25% |
| Over-collecting/poaching | 1 | 25% |
| Recreational use (non-ORV) | 1 | 25% |
| Total Occurrences: | 4 | ||||
| Element Occurrence Ranks: | |||||
|---|---|---|---|---|---|
| A | B | C | D | X | U |
| 0 | 1 | 2 | 0 | 0 | 1 |
| Occurrence Status: | |||||
|---|---|---|---|---|---|
| Historical >20 Years | 0 | ||||
| Recent <=20 Years | 4 | ||||
| Presence: | |||||
|---|---|---|---|---|---|
| Presumed Extant | 4 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
|
States: Name (Code) California (CA) |
|||||||||||||
|
California Counties and Islands: Name (Code) Solano (SOL), Yolo (YOL) |
|||||||||||||
|
Quads: Name (Quad Code) Dozier (3812137), Saxon (3812146) |
|||||||||||||
Notes:
|
|||||||||||||
Presumed Extant
Click on quad for name. Hold Shift Key to use mouse scroll wheel