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| Accession No. | 10883 |
|---|---|
| Family | Asteraceae |
| Species | Senecio douglasii DC. |
| Subspecies | var. longilobus (Benth.) L.D. Benson |
| Common name | "thread-leaf ragwort" |
| Collector Information | D.M. Barnes (4795) 24 August 2005 |
| Geography | United States, Utah, San Juan County |
| Lat./Long. | 37° 23' 23" N, 109° 31 ' 3" W at 4984 feet (1519 m) |
| Locality | Highway 191, mile marker 33, road W of highway |
| Ecology | desert shrub community; sandy soil. |
| Climate |
|
Synonyms recognized by ITIS (bold taxon is currently accepted):
Senecio flaccidus var. flaccidus Less.
Senecio douglasii var. jamesii (Torr. & Gray) Ediger ex Correll & Johnston
Senecio douglasii ssp. longilobus (Benth.) W.A. Weber
Senecio douglasii var. longilobus (Benth.) L. Benson
Senecio filifolius Nutt., non Berg.
Senecio longilobus Benth.
Common Name(s): threadleaf groundsel, threadleaf ragwort.
Taxonomic Hierarchy: (ITIS TSN=530313, click for more information and references)
Kingdom: Plantae
Subkingdom: Tracheobionta
Division: Magnoliophyta
Class: Magnoliopsida
Subclass: Asteridae
Order: Asterales
Family: Asteraceae
Genus: Senecio
Species: Senecio flaccidus
Variety: Senecio flaccidus var. flaccidus
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07192 |
08957 |
09449 |
10519 |
11609 |
11609 |
| Accession | Name | Dist., dir. |
|---|---|---|
| 10886 | Astragalus mollissimus var. thompsoniae "Thompson's woolly milkvetch" | same section |
| 10885 | Bouteloua gracilis "blue grama" | same section |
| 10887 | Chrysothamnus greenei "Greene's rabbitbrush" | same section |
| 10888 | Lycium pallidum "pale desert-thorn" | 45 ft. NE |
| 10884 | Sporobolus cryptandrus "sand dropseed" | same section |
| Name | County | Dist., dir. | Elevation (ft.) | 7.5' Quad Name |
|---|---|---|---|---|
| Decker Ranch (Locale) | San Juan County, UT | 0.8 mi. W | 4623 | No-Mans Island |
| Right Hand Fork Cottonwood Wash (Valley) | San Juan County, UT | 2.2 mi. N | Big Bench | |
| No-Mans Island (Summit) | San Juan County, UT | 1.9 mi. W | 4872 | No-Mans Island |
| Decker Cove (Valley) | San Juan County, UT | 2.1 mi. NW | No-Mans Island | |
| Cowboy Pasture (Flat) | San Juan County, UT | 2.4 mi. E | 4725 | Big Bench |
| Trail of the Ancients (Trail) | San Juan County, UT | 2.8 mi. NE | 4990 | Big Bench |
| Black Rock Canyon (Valley) | San Juan County, UT | 2.9 mi. SW | No-Mans Island | |
| Bluff Bench (Bench) | San Juan County, UT | 4 mi. S | 5154 | Bluff |
| The Horn (Ridge) | San Juan County, UT | 4.2 mi. S | 5187 | Recapture Pocket |
| Big Bench (Bench) | San Juan County, UT | 3.8 mi. NE | 4905 | Big Bench |
| Chimney Rocks (Summit) | San Juan County, UT | 4.3 mi. SE | 4511 | Recapture Pocket |
| Chimney Rock Draw (Valley) | San Juan County, UT | 4.5 mi. SE | Bluff | |
| Horse Canyon (Valley) | San Juan County, UT | 4.4 mi. E | Blanding South | |
| Recapture Pocket (Basin) | San Juan County, UT | 5.5 mi. SE | 4531 | Recapture Pocket |
| White Mesa (Populated Place) | San Juan County, UT | 5.9 mi. NE | 5305 | Big Bench |
| Tank Point Well (Well) | San Juan County, UT | 5.8 mi. SW | 4800 | Bluff |
| Fiddlers Green (Basin) | San Juan County, UT | 6.2 mi. NE | 4879 | Big Bench |
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