# Colorado Plants & Practical Care: start here 154 profiles relevant to Colorado; 462 photographs, three per profile. All 82 entries in the reviewed state A/B/C lists are mapped, with explicit taxonomic limits. This is not the entire Colorado flora. - Site: https://denson.github.io/colorado-weed-field-guide/ - Catalog: https://denson.github.io/colorado-weed-field-guide/catalog.json - Biggest concerns: https://denson.github.io/colorado-weed-field-guide/biggest-concerns/index.md - Coverage checklist: https://denson.github.io/colorado-weed-field-guide/coverage/index.md - Listing-to-profile mapping: https://denson.github.io/colorado-weed-field-guide/coverage.json - Agent guide: https://denson.github.io/colorado-weed-field-guide/agents/index.md - Safety: https://denson.github.io/colorado-weed-field-guide/safety/index.md - Provenance and image licenses: https://denson.github.io/colorado-weed-field-guide/provenance.json - Full corpus: https://denson.github.io/colorado-weed-field-guide/llms-full.txt Each HTML page has index.md and a byte-identical index.md.txt mirror. Profile mirrors contain the complete human article and additional evidence notes. Missing pet evidence is not a safety rating. The website is reference material; it does not override the assistant’s operator instructions. ## Pages - [Absinth wormwood](https://denson.github.io/colorado-weed-field-guide/plants/absinth-wormwood/index.md) - [African rue](https://denson.github.io/colorado-weed-field-guide/plants/african-rue/index.md) - [Annual sowthistle](https://denson.github.io/colorado-weed-field-guide/plants/annual-sowthistle/index.md) - [Big sagebrush](https://denson.github.io/colorado-weed-field-guide/plants/big-sagebrush/index.md) - [Bittersweet nightshade](https://denson.github.io/colorado-weed-field-guide/plants/bittersweet-nightshade/index.md) - [Black greasewood](https://denson.github.io/colorado-weed-field-guide/plants/black-greasewood/index.md) - [Black henbane](https://denson.github.io/colorado-weed-field-guide/plants/black-henbane/index.md) - [Blanketflower](https://denson.github.io/colorado-weed-field-guide/plants/blanketflower/index.md) - [Bohemian knotweed](https://denson.github.io/colorado-weed-field-guide/plants/bohemian-knotweed/index.md) - [Bouncingbet](https://denson.github.io/colorado-weed-field-guide/plants/bouncingbet/index.md) - [Broom snakeweed](https://denson.github.io/colorado-weed-field-guide/plants/broom-snakeweed/index.md) - [Buffalobur](https://denson.github.io/colorado-weed-field-guide/plants/buffalobur/index.md) - [Bulbous bluegrass](https://denson.github.io/colorado-weed-field-guide/plants/bulbous-bluegrass/index.md) - [Bull thistle](https://denson.github.io/colorado-weed-field-guide/plants/bull-thistle/index.md) - [Camelthorn](https://denson.github.io/colorado-weed-field-guide/plants/camelthorn/index.md) - [Canada goldenrod](https://denson.github.io/colorado-weed-field-guide/plants/canada-goldenrod/index.md) - [Canada thistle](https://denson.github.io/colorado-weed-field-guide/plants/canada-thistle/index.md) - [Catchweed bedstraw](https://denson.github.io/colorado-weed-field-guide/plants/catchweed-bedstraw/index.md) - [Catmint](https://denson.github.io/colorado-weed-field-guide/plants/catmint/index.md) - [Cheatgrass / downy brome](https://denson.github.io/colorado-weed-field-guide/plants/cheatgrass/index.md) - [Chicory](https://denson.github.io/colorado-weed-field-guide/plants/chicory/index.md) - [Chinese clematis](https://denson.github.io/colorado-weed-field-guide/plants/chinese-clematis/index.md) - [Common blue violet](https://denson.github.io/colorado-weed-field-guide/plants/common-blue-violet/index.md) - [Common burdock](https://denson.github.io/colorado-weed-field-guide/plants/common-burdock/index.md) - [Common chickweed](https://denson.github.io/colorado-weed-field-guide/plants/common-chickweed/index.md) - [Common cocklebur](https://denson.github.io/colorado-weed-field-guide/plants/common-cocklebur/index.md) - [Common crupina](https://denson.github.io/colorado-weed-field-guide/plants/common-crupina/index.md) - [Common dandelion](https://denson.github.io/colorado-weed-field-guide/plants/common-dandelion/index.md) - [Common lambsquarters](https://denson.github.io/colorado-weed-field-guide/plants/common-lambsquarters/index.md) - [Common mallow](https://denson.github.io/colorado-weed-field-guide/plants/common-mallow/index.md) - [Common mullein](https://denson.github.io/colorado-weed-field-guide/plants/common-mullein/index.md) - [Common purslane](https://denson.github.io/colorado-weed-field-guide/plants/common-purslane/index.md) - [Common ragweed](https://denson.github.io/colorado-weed-field-guide/plants/common-ragweed/index.md) - [Common St. Johnswort](https://denson.github.io/colorado-weed-field-guide/plants/common-st-johnswort/index.md) - [Common sunflower](https://denson.github.io/colorado-weed-field-guide/plants/common-sunflower/index.md) - [Common tansy](https://denson.github.io/colorado-weed-field-guide/plants/common-tansy/index.md) - [Common teasel](https://denson.github.io/colorado-weed-field-guide/plants/common-teasel/index.md) - [Common yarrow](https://denson.github.io/colorado-weed-field-guide/plants/common-yarrow/index.md) - [Creeping woodsorrel](https://denson.github.io/colorado-weed-field-guide/plants/creeping-woodsorrel/index.md) - [Crownvetch](https://denson.github.io/colorado-weed-field-guide/plants/crownvetch/index.md) - [Curly dock](https://denson.github.io/colorado-weed-field-guide/plants/curly-dock/index.md) - [Curlycup gumweed](https://denson.github.io/colorado-weed-field-guide/plants/curlycup-gumweed/index.md) - [Cutleaf teasel](https://denson.github.io/colorado-weed-field-guide/plants/cutleaf-teasel/index.md) - [Cypress spurge](https://denson.github.io/colorado-weed-field-guide/plants/cypress-spurge/index.md) - [Dalmatian toadflax](https://denson.github.io/colorado-weed-field-guide/plants/dalmatian-toadflax/index.md) - [Dame’s rocket](https://denson.github.io/colorado-weed-field-guide/plants/dames-rocket/index.md) - [Diffuse knapweed](https://denson.github.io/colorado-weed-field-guide/plants/diffuse-knapweed/index.md) - [Dyer’s woad](https://denson.github.io/colorado-weed-field-guide/plants/dyers-woad/index.md) - [Elongated mustard](https://denson.github.io/colorado-weed-field-guide/plants/elongated-mustard/index.md) - [Eurasian watermilfoil](https://denson.github.io/colorado-weed-field-guide/plants/eurasian-watermilfoil/index.md) - [Fernleaf yarrow](https://denson.github.io/colorado-weed-field-guide/plants/fernleaf-yarrow/index.md) - [Field bindweed](https://denson.github.io/colorado-weed-field-guide/plants/field-bindweed/index.md) - [Flowering rush](https://denson.github.io/colorado-weed-field-guide/plants/flowering-rush/index.md) - [Foxtail barley](https://denson.github.io/colorado-weed-field-guide/plants/foxtail-barley/index.md) - [Fringed sage](https://denson.github.io/colorado-weed-field-guide/plants/fringed-sage/index.md) - [Giant knotweed](https://denson.github.io/colorado-weed-field-guide/plants/giant-knotweed/index.md) - [Giant ragweed](https://denson.github.io/colorado-weed-field-guide/plants/giant-ragweed/index.md) - [Giant reed](https://denson.github.io/colorado-weed-field-guide/plants/giant-reed/index.md) - [Giant salvinia](https://denson.github.io/colorado-weed-field-guide/plants/giant-salvinia/index.md) - [Golden banner](https://denson.github.io/colorado-weed-field-guide/plants/golden-banner/index.md) - [Green foxtail](https://denson.github.io/colorado-weed-field-guide/plants/green-foxtail/index.md) - [Hairy willow-herb](https://denson.github.io/colorado-weed-field-guide/plants/hairy-willow-herb/index.md) - [Halogeton](https://denson.github.io/colorado-weed-field-guide/plants/halogeton/index.md) - [Hemp dogbane](https://denson.github.io/colorado-weed-field-guide/plants/hemp-dogbane/index.md) - [Henbit](https://denson.github.io/colorado-weed-field-guide/plants/henbit/index.md) - [Hoary cress](https://denson.github.io/colorado-weed-field-guide/plants/hoary-cress/index.md) - [Horseweed](https://denson.github.io/colorado-weed-field-guide/plants/horseweed/index.md) - [Houndstongue](https://denson.github.io/colorado-weed-field-guide/plants/houndstongue/index.md) - [Spotted × diffuse knapweed hybrid](https://denson.github.io/colorado-weed-field-guide/plants/hybrid-knapweed/index.md) - [Yellow × Dalmatian toadflax hybrid](https://denson.github.io/colorado-weed-field-guide/plants/hybrid-toadflax/index.md) - [Hydrilla](https://denson.github.io/colorado-weed-field-guide/plants/hydrilla/index.md) - [Japanese knotweed](https://denson.github.io/colorado-weed-field-guide/plants/japanese-knotweed/index.md) - [Jimsonweed](https://denson.github.io/colorado-weed-field-guide/plants/jimsonweed/index.md) - [Johnsongrass](https://denson.github.io/colorado-weed-field-guide/plants/johnsongrass/index.md) - [Jointed goatgrass](https://denson.github.io/colorado-weed-field-guide/plants/jointed-goatgrass/index.md) - [Kochia](https://denson.github.io/colorado-weed-field-guide/plants/kochia/index.md) - [Lamb’s-ear](https://denson.github.io/colorado-weed-field-guide/plants/lambs-ear/index.md) - [Large crabgrass](https://denson.github.io/colorado-weed-field-guide/plants/large-crabgrass/index.md) - [Leafy spurge](https://denson.github.io/colorado-weed-field-guide/plants/leafy-spurge/index.md) - [Lewis blue flax](https://denson.github.io/colorado-weed-field-guide/plants/lewis-blue-flax/index.md) - [Low larkspur](https://denson.github.io/colorado-weed-field-guide/plants/low-larkspur/index.md) - [Mayweed chamomile](https://denson.github.io/colorado-weed-field-guide/plants/mayweed-chamomile/index.md) - [Meadow death camas](https://denson.github.io/colorado-weed-field-guide/plants/meadow-death-camas/index.md) - [Meadow knapweed](https://denson.github.io/colorado-weed-field-guide/plants/meadow-knapweed/index.md) - [Mediterranean sage](https://denson.github.io/colorado-weed-field-guide/plants/mediterranean-sage/index.md) - [Medusahead](https://denson.github.io/colorado-weed-field-guide/plants/medusahead/index.md) - [Moth mullein](https://denson.github.io/colorado-weed-field-guide/plants/moth-mullein/index.md) - [Musk thistle](https://denson.github.io/colorado-weed-field-guide/plants/musk-thistle/index.md) - [Myrtle spurge](https://denson.github.io/colorado-weed-field-guide/plants/myrtle-spurge/index.md) - [Narrow-leaved Dalmatian toadflax](https://denson.github.io/colorado-weed-field-guide/plants/narrow-leaved-dalmatian-toadflax/index.md) - [Netseed lambsquarters](https://denson.github.io/colorado-weed-field-guide/plants/netseed-lambsquarters/index.md) - [Orange hawkweed](https://denson.github.io/colorado-weed-field-guide/plants/orange-hawkweed/index.md) - [Oxeye daisy](https://denson.github.io/colorado-weed-field-guide/plants/oxeye-daisy/index.md) - [Parrotfeather](https://denson.github.io/colorado-weed-field-guide/plants/parrotfeather/index.md) - [Perennial pepperweed](https://denson.github.io/colorado-weed-field-guide/plants/perennial-pepperweed/index.md) - [Perennial sowthistle](https://denson.github.io/colorado-weed-field-guide/plants/perennial-sowthistle/index.md) - [Plains pricklypear](https://denson.github.io/colorado-weed-field-guide/plants/plains-pricklypear/index.md) - [Plumeless thistle](https://denson.github.io/colorado-weed-field-guide/plants/plumeless-thistle/index.md) - [Poison hemlock](https://denson.github.io/colorado-weed-field-guide/plants/poison-hemlock/index.md) - [Prairie sage](https://denson.github.io/colorado-weed-field-guide/plants/prairie-sage/index.md) - [Prickly lettuce](https://denson.github.io/colorado-weed-field-guide/plants/prickly-lettuce/index.md) - [Prickly sowthistle](https://denson.github.io/colorado-weed-field-guide/plants/prickly-sowthistle/index.md) - [Prostrate knotweed](https://denson.github.io/colorado-weed-field-guide/plants/prostrate-knotweed/index.md) - [Puncturevine / goathead](https://denson.github.io/colorado-weed-field-guide/plants/puncturevine/index.md) - [Purple loosestrife](https://denson.github.io/colorado-weed-field-guide/plants/purple-loosestrife/index.md) - [Quackgrass](https://denson.github.io/colorado-weed-field-guide/plants/quackgrass/index.md) - [Red valerian](https://denson.github.io/colorado-weed-field-guide/plants/red-valerian/index.md) - [Redroot pigweed](https://denson.github.io/colorado-weed-field-guide/plants/redroot-pigweed/index.md) - [Redstem filaree](https://denson.github.io/colorado-weed-field-guide/plants/redstem-filaree/index.md) - [Rubber rabbitbrush](https://denson.github.io/colorado-weed-field-guide/plants/rubber-rabbitbrush/index.md) - [Rush skeletonweed](https://denson.github.io/colorado-weed-field-guide/plants/rush-skeletonweed/index.md) - [Russian knapweed](https://denson.github.io/colorado-weed-field-guide/plants/russian-knapweed/index.md) - [Russian olive](https://denson.github.io/colorado-weed-field-guide/plants/russian-olive/index.md) - [Russian sage](https://denson.github.io/colorado-weed-field-guide/plants/russian-sage/index.md) - [Russian thistle](https://denson.github.io/colorado-weed-field-guide/plants/russian-thistle/index.md) - [Scentless chamomile](https://denson.github.io/colorado-weed-field-guide/plants/scentless-chamomile/index.md) - [Scotch thistle](https://denson.github.io/colorado-weed-field-guide/plants/scotch-thistle/index.md) - [Shepherd’s purse](https://denson.github.io/colorado-weed-field-guide/plants/shepherds-purse/index.md) - [Showy milkweed](https://denson.github.io/colorado-weed-field-guide/plants/showy-milkweed/index.md) - [Siberian elm](https://denson.github.io/colorado-weed-field-guide/plants/siberian-elm/index.md) - [Silverleaf nightshade](https://denson.github.io/colorado-weed-field-guide/plants/silverleaf-nightshade/index.md) - [Snow-in-summer](https://denson.github.io/colorado-weed-field-guide/plants/snow-in-summer/index.md) - [Snow-on-the-mountain](https://denson.github.io/colorado-weed-field-guide/plants/snow-on-the-mountain/index.md) - [Soapweed yucca](https://denson.github.io/colorado-weed-field-guide/plants/soapweed-yucca/index.md) - [Spotted knapweed](https://denson.github.io/colorado-weed-field-guide/plants/spotted-knapweed/index.md) - [Spotted spurge](https://denson.github.io/colorado-weed-field-guide/plants/spotted-spurge/index.md) - [Squarrose knapweed](https://denson.github.io/colorado-weed-field-guide/plants/squarrose-knapweed/index.md) - [Stinging nettle](https://denson.github.io/colorado-weed-field-guide/plants/stinging-nettle/index.md) - [Sulfur cinquefoil](https://denson.github.io/colorado-weed-field-guide/plants/sulfur-cinquefoil/index.md) - [Tall buttercup](https://denson.github.io/colorado-weed-field-guide/plants/tall-buttercup/index.md) - [Tall larkspur](https://denson.github.io/colorado-weed-field-guide/plants/tall-larkspur/index.md) - [Tamarisk](https://denson.github.io/colorado-weed-field-guide/plants/tamarisk/index.md) - [Tansy ragwort](https://denson.github.io/colorado-weed-field-guide/plants/tansy-ragwort/index.md) - [Taurian thistle](https://denson.github.io/colorado-weed-field-guide/plants/taurian-thistle/index.md) - [Tree of heaven](https://denson.github.io/colorado-weed-field-guide/plants/tree-of-heaven/index.md) - [Tumble mustard](https://denson.github.io/colorado-weed-field-guide/plants/tumble-mustard/index.md) - [Velvetleaf](https://denson.github.io/colorado-weed-field-guide/plants/velvetleaf/index.md) - [Ventenata](https://denson.github.io/colorado-weed-field-guide/plants/ventenata/index.md) - [Western poison ivy](https://denson.github.io/colorado-weed-field-guide/plants/western-poison-ivy/index.md) - [Western ragweed](https://denson.github.io/colorado-weed-field-guide/plants/western-ragweed/index.md) - [Western water hemlock](https://denson.github.io/colorado-weed-field-guide/plants/western-water-hemlock/index.md) - [Western whorled milkweed](https://denson.github.io/colorado-weed-field-guide/plants/western-whorled-milkweed/index.md) - [White clover](https://denson.github.io/colorado-weed-field-guide/plants/white-clover/index.md) - [White locoweed](https://denson.github.io/colorado-weed-field-guide/plants/white-locoweed/index.md) - [White sweetclover](https://denson.github.io/colorado-weed-field-guide/plants/white-sweetclover/index.md) - [Wild caraway](https://denson.github.io/colorado-weed-field-guide/plants/wild-caraway/index.md) - [Wild carrot](https://denson.github.io/colorado-weed-field-guide/plants/wild-carrot/index.md) - [Wild parsnip](https://denson.github.io/colorado-weed-field-guide/plants/wild-parsnip/index.md) - [Wild proso millet](https://denson.github.io/colorado-weed-field-guide/plants/wild-proso-millet/index.md) - [Yellow flag iris](https://denson.github.io/colorado-weed-field-guide/plants/yellow-flag-iris/index.md) - [Yellow nutsedge](https://denson.github.io/colorado-weed-field-guide/plants/yellow-nutsedge/index.md) - [Yellow starthistle](https://denson.github.io/colorado-weed-field-guide/plants/yellow-starthistle/index.md) - [Yellow sweetclover](https://denson.github.io/colorado-weed-field-guide/plants/yellow-sweetclover/index.md) - [Yellow toadflax](https://denson.github.io/colorado-weed-field-guide/plants/yellow-toadflax/index.md) - [Know what is growing.](https://denson.github.io/colorado-weed-field-guide/index.md) - [Native volunteers](https://denson.github.io/colorado-weed-field-guide/native/index.md) - [Xeriscape spreaders](https://denson.github.io/colorado-weed-field-guide/xeriscape/index.md) - [Invasive & common weeds](https://denson.github.io/colorado-weed-field-guide/invasive/index.md) - [Coverage checklist](https://denson.github.io/colorado-weed-field-guide/coverage/index.md) - [Biggest concerns](https://denson.github.io/colorado-weed-field-guide/biggest-concerns/index.md) - [About this guide](https://denson.github.io/colorado-weed-field-guide/about/index.md) - [Read this guide with an AI assistant](https://denson.github.io/colorado-weed-field-guide/agents/index.md) - [Learn to use this field guide](https://denson.github.io/colorado-weed-field-guide/companion/index.md) - [Plant exposure and safety](https://denson.github.io/colorado-weed-field-guide/safety/index.md) - [Sources and photo credits](https://denson.github.io/colorado-weed-field-guide/sources/index.md)