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Eldorado National Forest Invasive Plant Treatment Guide for BAER Surveys
NOTE: If not specified, all plants with flowering heads should be clipped, bagged, and disposed of. If plants do not have developing flower/seed heads they may be left on site where roots are not in contact with the soil. If infestation would take greater than 2 hours for two people to treat, map infestation and report to the FS Botanist no later than the next session report.
Group 1 (Eradicate): Highly invasive species known to occur on the Eldorado National Forest. Species are uncommon and are a priority for control and eradication.
| Species |
| Common Name |
| Treatment Type |
| Acroptilon repens |
| Russian knapweed |
| Dig up plants getting as much root as possible |
| Aegilops cylindrica |
| Jointed goatgrass |
| Hand pull |
| Ailanthus altissima |
| Tree of heaven |
| Dig if plants are seedlings. Do nothing if plants are mature. |
| Arundo donax |
| Arundo |
| Dig up plants getting as much root as possible |
| Centaurea calcitrapa |
| Purple starthistle |
| Hand pull |
| Centaurea diffusa |
| Diffuse knapweed |
| Dig up plants getting as much root as possible |
| Centaurea stoebe spp. micranthos |
| spotted knapweed |
| Dig up plants getting as much root as possible |
| Cirsium arvense |
| Canada thistle |
| Dig up plants getting as much root as possible |
| Euphorbia oblongata |
| Oblong spurge |
| Dig up plants getting as much root as possible |
| Lepidium latifolium |
| Tall Whitetop |
| Dig if plants are seedlings. Clip and dispose of flower heads if plants are mature. Report to FS Botanist. |
| Lepidium draba |
| Whitetop |
| Dig if plants are seedlings. Clip and dispose of flower heads if plants are mature. Report to FS Botanist. |
| Lythrum salicaria |
| Purple Loosestrife |
| Dig if plants are seedlings. Clip and dispose of flower heads if plants are mature. Report to FS Botanist |
| Potentilla recta |
| Sulfur cinquefoil |
| Hand pull |
| Sorghum halepense |
| Johnson grass |
| Dig up plants getting as much root as possible |
Group 2 and 3 (Control): Established or widespread species known to occur on the Eldorado National Forest. Management strategies should consider eradicating isolated populations and controlling established infestation.
| Species |
| Common Name |
| Treatment Type |
| Aegilops triuncialis |
| Barbed goatgrass |
| Hand pull |
| Brassica nigra |
| Black mustard |
| Hand pull |
| Carduus pycnocephalus |
| Italian thistle |
| Hand pull |
| Centaurea melitensis |
| Yellow starthistle |
| Hand pull |
| Chenopodium botrys |
| Jerusalem-oak goosefoot |
| Hand pull |
| Chondrilla juncea |
| Rush skeleton weed |
| Dig up plants getting as much root as possible |
| Cytisus scoparius |
| Scotch broom |
| Hand pull if plants are small. Report to botanist if plants are mature. |
| Foeniculum vulgare |
| Fennel |
| Hand pull |
| Genista monspessulana |
| French broom |
| Hand pull if plants are small. Report to botanist if plants are mature. |
| Hedera helix |
| English Ivy |
| Hand pull if plants are small. Report to botanist if plants are mature. |
| Leucanthemum vulgare |
| Oxeye daisy |
| Hand pull |
| Silybum marianum |
| Milk thistle |
| Hand pull |
| Spartium junceum |
| Spanish broom |
| Hand pull if plants are small. Report to botanist if plants are mature. |
| Elymus caput-medusae |
| Medusahead |
| Hand pull |
| Vinca major |
| Periwinkle |
| Hand pull |
Potential invasives: Species not yet found on the Eldorado National Forest. If found infestations should be targeted for eradication or control.
| Species |
| Common Name |
| Treatment Type |
| Cardaria chalepensis |
| Small whitetop |
| Dig if plants are seedlings. Clip and dispose of flower heads if plants are mature. Report to Botanist. |
| Cardaria draba |
| Hoarycress |
| Dig up plants getting as much root as possible |
| Cardaria pubescens |
| Whitetop |
| Dig if plants are seedlings. Clip and dispose of flower heads if plants are mature. Report to Botanist. |
| Carduus nutans |
| Musk thistle |
| Dig up plants getting as much root as possible |
| Carthamus lanatus |
| Woolly distaff thistle |
| Hand pull |
| Centaurea pratensis |
| Meadow knapweed |
| Dig up plants getting as much root as possible |
| Centaurea sulphurea |
| Sicilian starthistle |
| Hand pull |
| Dittrichia graveolens |
| Stinkwort |
| Hand pull |
| Euphorbia esula |
| Leafy spurge |
| Dig up plants getting as much root as possible |
| Isatis tinctoria |
| Dyer’s woad |
| Hand pull |
| Linaria genistifolia ssp. dalmatica |
| Dalmatian toadflax |
| Dig up plants getting as much root as possible |
| Linaria vulgaris |
| Yellow toadflax |
| Dig up plants getting as much root as possible |
| Nicotiana glauca |
| Tree tobacco |
| Hand pull or mechanical removal |
| Onopordum acanthium |
| Scotch thistle |
| Dig up plants getting as much root as possible |
| Phragmites australis |
| Common reed |
| Dig if plants are seedlings. Clip and dispose of flower heads if plants are mature. Report to Botanist. |
| Polygonum cuspidatum |
| Japanese knotweed |
| Dig if plants are seedlings. Clip and dispose of flower heads if plants are mature. Report to Botanist. |
| Polygonum sachalinense |
| Sakhalin knotweed |
| Dig if plants are seedlings. Clip and dispose of flower heads if plants are mature. Report to Botanist. |
| Sesbania punicea |
| Scarlet wisteria |
| Hand pull or mechanical removal if plants are small. If plants are large report to Botanist. |
| Tamarix chinensis |
| Salt Cedar |
| Dig up plants getting as much root as possible |
| Tanacetum vulgare |
| Tansy |
| Dig up plants getting as much root as possible |
| Ulex europaeus |
| Gorse |
| Hand pull or mechanical removal if plants are small. If plants are large report to Botanist. |
Department of Agriculture Forest Service