Seed Zone GIS Data
| Dataset | Extent | Download | Map | More Information |
|---|---|---|---|---|
| Provisional Seed Zones (for all species) | CONUS |
|
|
|
| Edited Provisional Seed Zones | Great Basin |
|
| |
| Mojave Desert Provisional Seed Zones | Mojave |
|
|
|
| Desert Southwest Provisional Seed Zones | Desert SW |
|
|
|
| Dataset | Extent | Download | Map | More Information |
|---|---|---|---|---|
| Blue grama (Bouteloua gracilis) | Colorado Plateau |
|
|
|
| Prairie junegrass (Koeleria macrantha) | Colorado Plateau |
|
|
|
| Bottlebrush squirreltail (Elymus elymoides) | Colorado Plateau |
|
|
|
| Dataset | Extent | Download | Map | More Information |
|---|---|---|---|---|
| Blue wildrye (Elymus glaucus) | Blue Mountains Ecoregion (Oregon, WA) |
|
|
|
| Bottlebrush Squirreltail (Elymus elymoides) | Western US |
|
|
|
| Basin wildrye (Leymus cinereus) | Columbia Basin- Great Basin |
|
|
|
| Mountain Brome (Bromus carinatus) | Blue Mountains Ecoregion (Oregon, WA) |
|
|
|
| Bluebunch wheatgrass (Pseudoroegneria spicata) | Western US |
|
|
|
| Sandberg's bluegrass (Poa secunda) | Western US |
|
|
|
| Tapertip onion (Allium acuminatum) | Western US |
|
|
|
| Indian ricegrass (Achnatherum hymenoides) | Western US |
|
|
|
| Oceanspray (Holodiscus discolor) | Western US |
| ||
| Thurber's needlegrass (Achnatherum thurberianum) | Western US |
|
|
|
| Mtn. Big Sagebrush (Artemisia tridentata ssp vaseyana) | Western US |
|
|
|
| WY Big Sagebrush/Big Sagebrush (Artemisia tridentata ssp wyomingensis and spp tridentata) | Western US |
|
|
|
| Dataset | Extent | Download | Map | More Information |
|---|---|---|---|---|
| Desert globemallow (Sphaeralcea_ambigua) | Mojave Desert
|  |  | |
| Nevada (Ephedra nevadensis) | Mojave Desert | |
| |
| Hoary tansyaster (Machaeranthera cancescens) | Colorado Plateau | |
|
|
| Yellow spiderflower/Yellow beeplant (Cleome lutea) | Colorado Plateau | |
|
|
| Small-leaf globemallow (Sphaeralcea parvifolia) | Colorado Plateau, Great Basin | |
|
|
| Sand dropseed (Sporobolus cryptandrus) | Colorado Plateau | |
| |
| James' galleta (Pleuraphis jamesii) | Colorado Plateau, Great Basin, Mojave Desert, western Plains | |
|
|
| Rushy milkvetch (Astragalus lonchocarpus) | Colorado Plateau | |
|
|
| Showy goldeneye (Heliomeris multiflora) | Colorado Plateau | |
|
|
| Rocky Mountain beeplant (Cleome serrulata) | Colorado Plateau |
|
|
|
| Sulfur-flower buckwheat (Eriogonum umbellatum) | Western US |
|
|
|
Contact
- Person
Charlie Schrader-Patton
Geospatial Analyst/Developerhttps://research.fs.usda.gov/about/people/charlie.schrader
Products
-
Tool
https://research.fs.usda.gov/pnw/products/dataandtools/seed-zone-webmap
Center
-
Center or Group
https://research.fs.usda.gov/pnw/centers/wwetac
Last updated April 20, 2026