Invasive & Non-Native Plants in Wyoming
These non-native plants are among the most commonly recorded spreading in Wyoming. Many crowd out the plants local wildlife depends on. The good news: there's a native you can plant instead.
Cheatgrass
1,965 sightingsBromus tectorum · non-native to the U.S.
Plant instead: Smooth brome, Mountain brome, California brome (native Bromus)
Canada thistle
1,006 sightingsCirsium arvense · non-native to the U.S.
Plant instead: Elk thistle, White thistle, Mountain thistle (native Cirsium)
Nodding plumeless thistle
972 sightingsCarduus nutans · non-native to the U.S.
Plant instead: a Wyoming native that fits the same spot.
Saltlover
685 sightingsHalogeton glomeratus · non-native to the U.S.
Plant instead: a Wyoming native that fits the same spot.
Leafy spurge
547 sightingsEuphorbia esula · non-native to the U.S.
Plant instead: Horned spurge, Warty spurge, Snow on the mountain (native Euphorbia)
Sweetclover
526 sightingsMelilotus officinalis · non-native to the U.S.
Plant instead: a Wyoming native that fits the same spot.
Prickly Russian thistle
505 sightingsSalsola tragus · non-native to the U.S.
Plant instead: a Wyoming native that fits the same spot.
Yellow salsify
495 sightingsTragopogon dubius · non-native to the U.S.
Plant instead: a Wyoming native that fits the same spot.
Gypsyflower
453 sightingsCynoglossum officinale · non-native to the U.S.
Plant instead: a Wyoming native that fits the same spot.
Crested wheatgrass
436 sightingsAgropyron cristatum · non-native to the U.S.
Plant instead: a Wyoming native that fits the same spot.
Field pennycress
415 sightingsThlaspi arvense · non-native to the U.S.
Plant instead: a Wyoming native that fits the same spot.
Common mullein
407 sightingsVerbascum thapsus · non-native to the U.S.
Plant instead: a Wyoming native that fits the same spot.
Ceratodon moss
401 sightingsCeratodon purpureus · non-native to the U.S.
Plant instead: a Wyoming native that fits the same spot.
Pohlia moss
360 sightingsPohlia nutans · non-native to the U.S.
Plant instead: a Wyoming native that fits the same spot.
Red clover
354 sightingsTrifolium pratense · non-native to the U.S.
Plant instead: Parry's clover, Alpine clover, Hollyleaf clover (native Trifolium)