(Engelm.) Britt. & Rose
Simpson's Hedgehog Cactus
| Province | Rank | Native |
|---|---|---|
| Wyoming | S3 | Yes |
| Utah | S4 | Yes |
| Idaho | S3 | Yes |
| New Mexico | S3 | Yes |
| Navajo Nation | SNR | Yes |
| Arizona | S1 | Yes |
| South Dakota | SNR | Yes |
| Colorado | S4 | Yes |
| Nevada | S4 | Yes |
| Montana | S4 | Yes |
| Threat | Scope | Severity | Timing |
|---|---|---|---|
| 3 - Energy production & mining | Restricted - small | Moderate - slight | — |
| 3.2 - Mining & quarrying | Restricted - small | Moderate - slight | — |
| 5 - Biological resource use | Restricted - small | Moderate - slight | — |
| 5.2 - Gathering terrestrial plants | Restricted - small | Moderate - slight | — |
| Area | Forest | Acres |
|---|---|---|
| Bristol Head | Rio Grande NF | 46,087 |
| Comanche Peak Adjacent Area | Arapaho & Roosevelt NFs | 44,158 |
| Dome Peak | Routt NF | 35,716 |
| Long Park | Routt NF | 42,100 |
| Pole Mountain / Finger Mesa | Rio Grande NF | 43,863 |
| Troublesome South | Routt NF | 47,359 |
| Area | Forest | Acres |
|---|---|---|
| Borah Peak | Salmon-Challis National Forest | 130,463 |
| Boulder - White Clouds | Sawtooth National Forest | 322,653 |
| Boulder - White Clouds | Salmon-Challis National Forest | 139,297 |
| Italian Peak | Caribou-Targhee National Forest | 141,158 |
| Lemhi Range | Salmon-Challis National Forest | 308,533 |
| Area | Forest | Acres |
|---|---|---|
| East Pioneer | Beaverhead-Deerlodge National Forest | 145,082 |
| Italian Peak | Beaverhead-Deerlodge National Forest | 90,401 |
| Mckenzie Canyon | Beaverhead-Deerlodge National Forest | 33,350 |
| Middle Fork Judith Wsa | Lewis and Clark National Forest | 81,131 |
| Tash Peak | Beaverhead-Deerlodge National Forest | 61,312 |
| West Big Hole | Beaverhead-Deerlodge National Forest | 133,563 |
| Area | Forest | Acres |
|---|---|---|
| Alta T - North | Humboldt-Toiyabe National Forest | 9,325 |
| Arc Dome - Illinois | Humboldt-Toiyabe National Forest | 2,356 |
| Arc Dome - Mahogany | Humboldt-Toiyabe National Forest | 4,208 |
| Bald Mtn. | Humboldt-Toiyabe National Forest | 41,598 |
| Brock Spring | Humboldt-Toiyabe National Forest | 11,324 |
| Butler | Humboldt-Toiyabe National Forest | 39,470 |
| Buttermilk | Humboldt-Toiyabe National Forest | 19,373 |
| Cave Creek | Humboldt-Toiyabe National Forest | 6,145 |
| Charnock | Humboldt-Toiyabe National Forest | 5,348 |
| Cooper | Humboldt-Toiyabe National Forest | 9,889 |
| Copper Mtns. | Humboldt-Toiyabe National Forest | 31,945 |
| Duck Creek Mtns. | Humboldt-Toiyabe National Forest | 12,165 |
| Eightmile | Humboldt-Toiyabe National Forest | 5,332 |
| Faulkner | Humboldt-Toiyabe National Forest | 12,310 |
| Fish Lake C | Humboldt-Toiyabe National Forest | 5,538 |
| Georges Canyon | Humboldt-Toiyabe National Forest | 108,551 |
| Grantsville | Humboldt-Toiyabe National Forest | 6,156 |
| Hicks Mountain | Humboldt-Toiyabe National Forest | 16,334 |
| Humboldt - Angel Lk | Humboldt-Toiyabe National Forest | 1,008 |
| Humboldt - Lizzies | Humboldt-Toiyabe National Forest | 70 |
| Humboldt - Trout Cr | Humboldt-Toiyabe National Forest | 1,346 |
| Humboldt - Winchell | Humboldt-Toiyabe National Forest | 1,272 |
| Iron Spring | Humboldt-Toiyabe National Forest | 36,737 |
| Jarbidge - Coon Ck | Humboldt-Toiyabe National Forest | 866 |
| Mahogany Ridge | Humboldt-Toiyabe National Forest | 16,765 |
| Marysville | Humboldt-Toiyabe National Forest | 9,365 |
| Masket Peak | Humboldt-Toiyabe National Forest | 8,778 |
| Moriah - Big Canyon | Humboldt-Toiyabe National Forest | 722 |
| Moriah - West Slope | Humboldt-Toiyabe National Forest | 14,737 |
| North Brock | Humboldt-Toiyabe National Forest | 6,863 |
| North Schell | Humboldt-Toiyabe National Forest | 30,773 |
| North Shoshone Peak | Humboldt-Toiyabe National Forest | 40,667 |
| Northumberland | Humboldt-Toiyabe National Forest | 22,464 |
| Pine Mtn. | Humboldt-Toiyabe National Forest | 12,519 |
| Rattlesnake | Humboldt-Toiyabe National Forest | 19,672 |
| Red Mountain | Humboldt-Toiyabe National Forest | 30,242 |
| Reynolds | Humboldt-Toiyabe National Forest | 7,064 |
| Ruby - Marsh | Humboldt-Toiyabe National Forest | 10,164 |
| Ruby - Segunda | Humboldt-Toiyabe National Forest | 12,532 |
| Sam's Canyon | Humboldt-Toiyabe National Forest | 11,869 |
| Santa Rosa | Humboldt-Toiyabe National Forest | 54,555 |
| Saulsbury | Humboldt-Toiyabe National Forest | 30,957 |
| Savory Mountain | Humboldt-Toiyabe National Forest | 20,570 |
| Shellback | Humboldt-Toiyabe National Forest | 36,455 |
| Snake - Peacock Cyn | Humboldt-Toiyabe National Forest | 1,069 |
| Snowbird | Humboldt-Toiyabe National Forest | 8,859 |
| South Schell | Humboldt-Toiyabe National Forest | 125,614 |
| Spanish Peak | Humboldt-Toiyabe National Forest | 31,520 |
| Stagecoach | Humboldt-Toiyabe National Forest | 7,377 |
| Table Mtn. - Barley Ck. | Humboldt-Toiyabe National Forest | 5,424 |
| Table Mtn. - East | Humboldt-Toiyabe National Forest | 87,789 |
| Toiyabe Range | Humboldt-Toiyabe National Forest | 99,225 |
| Toquima Cave | Humboldt-Toiyabe National Forest | 43,147 |
| Vincenti | Humboldt-Toiyabe National Forest | 7,920 |
| Ward Mountain | Humboldt-Toiyabe National Forest | 15,927 |
| West Schell | Humboldt-Toiyabe National Forest | 21,656 |
| White Rock Mtn | Humboldt-Toiyabe National Forest | 24,917 |
| White Sage | Humboldt-Toiyabe National Forest | 11,993 |
| Wildcat | Humboldt-Toiyabe National Forest | 28,565 |
| Wilhoites | Humboldt-Toiyabe National Forest | 11,297 |
| Woods | Humboldt-Toiyabe National Forest | 7,467 |
| Area | Forest | Acres |
|---|---|---|
| Juan de Gabaldon Grant | Santa Fe National Forest | 8,023 |
| Nichols Reservoir | Santa Fe National Forest | 1,518 |
| Pacheco Canyon | Santa Fe National Forest | 1,012 |
| Rancho Viejo | Santa Fe National Forest | 3,827 |
| Area | Forest | Acres |
|---|---|---|
| 0401001 | Ashley National Forest | 11,705 |
| 0401002 | Ashley National Forest | 36,113 |
| 0401005 | Ashley National Forest | 38,930 |
| 0401006 | Ashley National Forest | 7,645 |
| 0401007 | Ashley National Forest | 16,483 |
| 0401009 | Ashley National Forest | 30,378 |
| 0401023 | Ashley National Forest | 8,352 |
| 0401024 | Ashley National Forest | 12,882 |
| 0401031 | Ashley National Forest | 7,110 |
| 0401032 | Ashley National Forest | 6,471 |
| 0401037 | Ashley National Forest | 1,166 |
| 0419020 | Ashley National Forest | 355,684 |
| Boulder Mtn. / Boulder Top / Deer Lake | Dixie National Forest | 110,690 |
| Boulger - Black Canyon | Manti-Lasal National Forest | 23,286 |
| Box - Death Hollow | Dixie National Forest | 3,175 |
| Bullion - Delano | Fishlake National Forest | 14,917 |
| Bunker Creek | Dixie National Forest | 7,474 |
| Capital Reef | Dixie National Forest | 763 |
| Casto Bluff | Dixie National Forest | 87,466 |
| Circleville Mountain | Fishlake National Forest | 24,142 |
| City Creek | Fishlake National Forest | 13,939 |
| Clear Creek | Sawtooth National Forest | 7,188 |
| Cove Mountain | Dixie National Forest | 16,632 |
| Dark Valley | Dixie National Forest | 27,481 |
| East Mountain | Manti-Lasal National Forest | 30,705 |
| Fishlake Mountain | Fishlake National Forest | 25,217 |
| Happy Valley | Dixie National Forest | 14,458 |
| High Uintas (UT) | Wasatch-Cache National Forest | 102,398 |
| Hilgard Mountain | Fishlake National Forest | 28,389 |
| Horse Mountain - Mans Peak | Manti-Lasal National Forest | 22,159 |
| Horse Valley | Dixie National Forest | 13,624 |
| Joe Lott | Fishlake National Forest | 19,826 |
| Long Neck Mesa / Steep Creek / Oak Creek - Steep Creek / Oak | Dixie National Forest | 55,489 |
| Lookout Peak | Fishlake National Forest | 9,195 |
| Mt. Johns Peak - Mt Alice | Fishlake National Forest | 12,469 |
| Mt. Um Plateau - Mt Terrill | Fishlake National Forest | 17,490 |
| Muddy Creek - Nelson Mt. | Manti-Lasal National Forest | 59,034 |
| New Home Bench | Dixie National Forest | 10,513 |
| North Hills | Dixie National Forest | 24,480 |
| North Pavant | Fishlake National Forest | 53,262 |
| Oak Creek | Fishlake National Forest | 54,053 |
| Raft River | Sawtooth National Forest | 23,969 |
| Red Canyon North | Dixie National Forest | 9,973 |
| Rock Canyon | Dixie National Forest | 16,457 |
| Sanpitch | Manti-Lasal National Forest | 29,129 |
| Solomon Basin | Fishlake National Forest | 19,963 |
| Steves Mountain | Fishlake National Forest | 22,649 |
| Table Cliffs - Henderson Canyon | Dixie National Forest | 19,581 |
| Thousand Lake Mountain | Fishlake National Forest | 27,267 |
| Wayne Wonderland | Fishlake National Forest | 12,395 |
| Area | Forest | Acres |
|---|---|---|
| 0401019 | Ashley National Forest | 6,202 |
| Buffalo Peak | Medicine Bow-Routt National Forest | 17,560 |
| Deep Creek | Medicine Bow-Routt National Forest | 6,411 |
| East Fork Encampment | Medicine Bow-Routt National Forest | 7,445 |
| Encampment River Addition | Medicine Bow-Routt National Forest | 4,996 |
| Illinois Creek | Medicine Bow-Routt National Forest | 6,711 |
| Laramie Peak | Medicine Bow-Routt National Forest | 28,608 |
| Libby Flats | Medicine Bow-Routt National Forest | 11,107 |
| Middle Fork | Medicine Bow-Routt National Forest | 13,238 |
| Platte River Addition | Medicine Bow-Routt National Forest | 7,962 |
| Rock Creek | Medicine Bow-Routt National Forest | 18,874 |
| Sheep Mountain | Medicine Bow-Routt National Forest | 17,626 |
| Snowy Range | Medicine Bow-Routt National Forest | 29,660 |
| Strawberry Creek | Medicine Bow-Routt National Forest | 5,880 |
| West Slope Winds | Bridger-Teton National Forest | 143,252 |