Query: G.N.I.S.

See also: Heritage Dells & Tripp Ranch Meadow Open Spaces.

Elevation: 0ft, 0m.

Articles that refer to this location:

• Crawford Street, Golden, Jefferson County, Colorado: at trail; 
• Defrance Way: at Heritage Dells OS; 
• Field Notes: 9 Apr 2026; 

Area Plant Lists that contain this location:

• Area Plant List for Golden.
• Area Plant List for Heritage Dells & Tripp Ranch Meadow Open Spaces.
• Area Plant List for City of Golden Open Space.

Heritage Dells OS, South Gulch, Middle Section, Looking upstream.	Heritage Dells Open Space, South Gulch, Looking Downstream into the Middle Section.

Species collected at or near this location.

This list summarizes plants collected or observed at this specific, named location. It does not include plants collected or observed at nearby named or unnamed locations. It may be more instructive to use the Area Lists that contain this location.

• TAS – The plant was collected by Tom Schweich.
• Oth – The plant was collected by someone, but not Tom.
• Obs – The plant was observed, but not collected.

Pinaceae

Pinus scopulorum Lemmon. Rocky Mountain yellow pine (Obs) CC:5

Anacardiaceae

Rhus trilobata Nutt. trilobata. Skunkbush Sumac (Obs) CC:5

Toxicodendron rydbergii (Small ex Rydb.) Greene. Western Poison Ivy (Obs) CC:3

Apiaceae

Selineae

Lomatium orientale J.M. Coult. & Rose. Salt-and-Pepper (Obs) CC:6

Asclepiadaceae

Asclepias speciosa Torr. Showy Milkweed (Obs) CC:3

Asteraceae

Anthemideae

Artemisiinae

Artemisia dracunculus L. Tarragon, Dragonwort (Obs) CC:3

Artemisia ludoviciana Nutt. Silver Wormwood (Obs) CC:4

Astereae

Chrysopsidinae

Heterotheca villosa (Pursh) Shinners. Hairy False Goldenaster (Obs) CC:3

Conyzinae

Erigeron divergens Torr. & A. Gray. Spreading Fleabane (TAS) CC:4

Erigeron tracyi Greene. Running Fleabane (Obs) CC:6

Machaerantherinae

Grindelia subalpina Greene. Subalpine Gumweed (Obs) CC:4

Cardueae

Carduinae

Cirsium arvense (L.) Scop. Canada Thistle (Obs) CC:0

Cichorieae

Lactucinae

Lactuca serriola L. Prickly Lettuce (Obs) CC:0

Heliantheae

Ambrosiinae

Ambrosia psilostachya DC. Western Ragweed (Obs) CC:3

Helianthinae

Helianthus pumilus Nutt. Little Sunflower (Obs) CC:4

Boraginaceae

Cynoglossum officinale L. Gypsyflower (Obs) CC:0

Lithospermum occidentale (Mack.) Weakley, Witsell & D. Estes. Western Marbleseed (Obs) CC:5

Brassicaceae

Alyssum simplex Rudolphi. European Madwort (Obs) CC:0

Hesperis matronalis L. Dame's Rocket (Obs) CC:0

Thlaspi arvense L. Field Penny Cress (Obs) CC:0

Turritis glabra L. Tower Rockcress (Obs) CC:4

Cactaceae

Opuntia macrorhiza Engelm. Western Pricklypear (Obs) CC:3

Opuntia polyacantha Haw. Plains Pricklypear (Obs) CC:5

Caryophyllaceae

Cerastium arvense L. strictum Gaudin. Field Chickweed (Obs) CC:5

Chenopodiaceae

Chenopodium album L. Lambsquarters (Obs) CC:0

Convolvulaceae

Convolvulus arvensis L. Field Bindweed (Obs) CC:0

Euphorbiaceae

Euphorbia myrsinites L. Myrtle Spurge (Obs) CC:0

Fabaceae

Astragalus flexuosus G. Don. Flexible Milkvetch (Obs) CC:6

Lupinus argenteus Pursh argenteus. Loosely Flowered Silver Lupine (Obs) CC:5

Medicago lupulina L. Black Medick (Obs) CC:0

Medicago sativa L. Alfalfa (Obs) CC:0

Melilotus officinalis (L.) Lam. Yellow Sweet Clover (Obs) CC:0

Thermopsis rhombifolia (Nutt. ex Pursh) Nutt. ex Richardson divaricarpa (A. Nelson) Isely. Spreadfruit Goldenbanner (Obs) CC:6

Geraniaceae

Erodium cicutarium (L.) L'Her. ex Aiton. Hemlock-leav'd Crane's-bill (Obs) CC:0

Grossulariaceae

Ribes aureum Pursh. Golden Currant (Obs) CC:6

Ribes cereum Douglas. Wax Currant (Obs) CC:6

Lamiaceae

Salvia. Horticultural Salvia (Obs) CC:0

Malvaceae

Malva neglecta Wallr. Common Mallow (Obs) CC:0

Orobanchaceae

Castilleja integra A. Gray. Wholeleaf Indian Paintbrush (Obs) CC:6

Papaveraceae

Argemone polyanthemos (Fedde) G.B. Ownbey. Crested Prickly Poppy (Obs) CC:3

Polygonaceae

Rumex crispus L. Curley Dock (Obs) CC:0

Rosaceae

Amygdaloideae

Amygdaleae

Prunus americana Marshall. American Plum (Obs) CC:6

Prunus virginiana L. Chokecherry (Obs) CC:4

Maleae

Cotoneaster lucidus Schltdl. Hairy Stem Cotoneaster (Obs) CC:0

Dryadoideae

Dryadeae

Cercocarpus montanus Raf. Alder-Leaf Mountain Mahogany (Obs) CC:6

Rosoideae

Potentilleae

Potentilla L. Cinquefoil (Obs) CC:?

Potentilla recta L. Sulphur Cinquefoil (Obs) CC:0

Roseae

Rosa. Horticultural Rose (Obs) CC:0

Rosa arkansana Porter. Prairie Rose (Obs) CC:5

Rubeae

Rubus deliciosus Torr. Delicious raspberry (Obs) CC:6

Santalaceae

Comandra umbellata (L.) Nutt. pallida (A. DC.) Piehl. Pale Bastard Toadflax (Obs) CC:5

Sapindaceae

Acer glabrum Torr. glabrum. Rocky Mountain Maple (TAS+Obs) CC:7

Cyperaceae

Carex inops L. H. Bailey heliophila (Mack.) Crins. Sun Sedge (Obs) CC:7

Iridaceae

Iris L. Horticultural Iris (Obs) CC:0

Poaceae

Aveneae

Koeleria macrantha (Ledeb.) Schult. Prairie Junegrass (Obs) CC:6

Bromeae

Bromus inermis Leyss. Smooth Brome (Obs) CC:0

Bromus tectorum L. Cheat Grass (Obs) CC:0

Poeae

Festuca ovina L. Complex, hybrid or selection (Obs) CC:?

Triticeae

Aegilops cylindrica Host. Jointed Goat Grass (Obs) CC:0

Agropyron cristatum (L.) Gaertn. Crested Wheat Grass (Obs) CC:0

A, B, C, D, E, F, G, H, I, J, K, L, M,
N, O, P, Q, R, S, T, U, V, W, X, Y, Z

[Home Page] [Site Map]

Date and time this article was prepared:3:15:04 PM, 8/1/2026.