(L.) Todaro
Ostrich Fern
| Province | Rank | Native |
|---|---|---|
| Alaska | SNR | Yes |
| New Jersey | S4 | Yes |
| Maine | SNR | Yes |
| Michigan | SNR | Yes |
| Maryland | S2 | Yes |
| Wisconsin | SNR | Yes |
| Connecticut | SNR | Yes |
| Minnesota | SNR | Yes |
| Illinois | S2 | Yes |
| Virginia | S1 | Yes |
| Pennsylvania | SNR | Yes |
| North Dakota | SNR | Yes |
| Vermont | S5 | Yes |
| New Hampshire | SNR | Yes |
| Ohio | SNR | Yes |
| Rhode Island | SNR | Yes |
| New York | S4 | Yes |
| South Dakota | SNR | Yes |
| West Virginia | S2 | Yes |
| Massachusetts | SNR | Yes |
| Iowa | S4 | Yes |
| District of Columbia | SNR | Yes |
| Missouri | SNR | Yes |
| Indiana | S3 | Yes |
| Nebraska | SNR | Yes |
| Province | Rank | Native |
|---|---|---|
| Saskatchewan | S4 | Yes |
| Ontario | S5 | Yes |
| Nova Scotia | S5 | Yes |
| Alberta | S4 | Yes |
| Quebec | SNR | Yes |
| Labrador | S1 | Yes |
| Island of Newfoundland | S3 | Yes |
| Yukon Territory | S1 | Yes |
| Prince Edward Island | S4 | Yes |
| Manitoba | S5 | Yes |
| Northwest Territories | S3 | Yes |
| British Columbia | S5 | Yes |
| New Brunswick | S5 | Yes |
| Area | Forest | Acres |
|---|---|---|
| Boston Bar | Chugach National Forest | 53,617 |
| Kenai Lake | Chugach National Forest | 213,172 |
| Resurrection | Chugach National Forest | 224,615 |
| Roaded Donut | Chugach National Forest | 968 |
| Twenty Mile | Chugach National Forest | 198,775 |
| Area | Forest | Acres |
|---|---|---|
| Kinsman Mountain | White Mountain National Forest | 8,999 |
| Area | Forest | Acres |
|---|---|---|
| Sheyenne | Dakota Prairie Grasslands | 14,537 |
| Area | Forest | Acres |
|---|---|---|
| Clarion River | Allegheny National Forest | 3,821 |
| Area | Forest | Acres |
|---|---|---|
| Mt. Logan South | Wasatch-Cache National Forest | 17,014 |
| Area | Forest | Acres |
|---|---|---|
| Bread Loaf | Green Mountain and Finger Lakes National Forests | 1,768 |
| Devil's Den 09083 | Green Mountain and Finger Lakes National Forests | 9,169 |
| Griffith Lake 09084 | Green Mountain and Finger Lakes National Forests | 1,833 |
| Wilder Mountain 09082 | Green Mountain and Finger Lakes National Forests | 8,759 |
| Woodford 09086 | Green Mountain and Finger Lakes National Forests | 2,456 |
| Area | Forest | Acres |
|---|---|---|
| Southern Massanutten | George Washington National Forest | 11,985 |
| Area | Forest | Acres |
|---|---|---|
| Seneca Creek | Monongahela National Forest | 22,287 |
| Area | Forest | Acres |
|---|---|---|
| 09012 - Round Lake Study Area | Chequamegon-Nicolet National Forest | 3,707 |
| 09154 - St. Peters Dome | Chequamegon-Nicolet National Forest | 4,002 |
| 09159 - Thornapple | Chequamegon-Nicolet National Forest | 9,744 |
| 09161 - Gates Lake | Chequamegon-Nicolet National Forest | 5,255 |