Query:

See also: Delong Park (Horticultural Planting).

Latitude: 39.748646 Longitude: -105.208176 (° decimal)
Elevation: 5778ft, 1761m.

Articles that refer to this location:

• 23rd Street, Golden, Jefferson County, Colorado: at DeLong Park; 
• Checklist Flora of Native and Naturalized Vascular Plants of Golden and Vicinity, Jefferson County, Colorado: Comandra umbellata ssp. pallida;  Cenchrus longispinus;  Linaria dalmatica; 
• Field Notes: 6 May 2022;  7 Jun 2022;  18 Aug 2022;  30 Mar 2023;  22 Apr 2023;  25 May 2023;  15 Jun 2023;  29 June 2023;  6 Jul 2023;  22 Jul 2023; 

Literature Referring To This Location:

• Fernald, M. L. 1943. Virginian Botanizing Under Restrictions. Rhodora; Journal of the New England Botanical Club. 45(538):357-412. https://www.biodiversitylibrary.org/page/609801#page/404/

Area Plant Lists that contain this location:

• Area Plant List for Golden.
• Area Plant List for DeLong Park (City of Golden).

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.

Apiaceae

Conium maculatum L. Common Poison Hemlock (TAS)

Asteraceae

Astereae

Pentachaetinae

Ericameria nauseosa (Pall. ex Pursh) G.L.Nesom & G.I.Baird graveolens (Nutt.) Reveal & Schuyler. Goldy-Locks (Obs)

Chrysopsidinae

Heterotheca villosa (Pursh) Shinners. Hairy False Goldenaster (Obs)

Conyzinae

Conyza canadensis (L.) Cronquist. Canadian Horseweed (Obs)

Cardueae

Carduinae

Cirsium arvense (L.) Scop. Canada Thistle (TAS)

Onopordinae

Onopordum acanthium L. Scotch Cottonthistle (TAS)

Cichorieae

Crepidinae

Taraxacum officinale F. H. Wigg. Common Dandelion (Obs)

Lactucinae

Lactuca serriola L. Prickly Lettuce (TAS)

Heliantheae

Ambrosia acanthicarpa Hook. Flat-Spine Burr-Ragweed (TAS)

Ambrosia psilostachya DC. Western Ragweed (TAS)

Helianthus pumilus Nutt. Little Sunflower (TAS)

Boraginaceae

Ellisia nyctelea (L.) L. Aunt Lucy (Obs)

Brassicaceae

Capsella bursa-pastoris (L.) Medik. Shepherd's Purse (TAS)

Chorispora tenella (Pall.) DC. Crossflower (TAS)

Descurainia incisa (Engelm.) Britton incisa. Mountain Tansymustard (TAS)

Hesperis matronalis L. Dame's Rocket (Obs)

Lepidium draba L. White Top, Hoary Cress (TAS)

Cactaceae

Opuntia macrorhiza Engelm. Western Pricklypear (Obs)

Caprifoliaceae

Knautia macedonica Griesb. Macedonian scabious (TAS)

Lonicera tatarica L. Tatarian Honeysuckle (TAS)

Chenopodiaceae

Cycloloma atriplicifolium (Spreng.) J. M. Coult. Winged-Pigweed (TAS)

Chenopodium album L. Lambsquarters (TAS)

Kochia scoparia (L.) Schrad. Common Red Sage (TAS)

Salsola tragus L. Tumbleweed (Obs)

Convolvulaceae

Convolvulus arvensis L. Field Bindweed (TAS)

Euphorbiaceae

Euphorbia myrsinites L. Myrtle Spurge (TAS)

Fabaceae

Lathyrus latifolius L. Perennial Pea Vine (TAS+Obs)

Melilotus officinalis (L.) Lam. Yellow Sweet Clover (TAS+Obs)

Securigera varia (L.) Lassen. Purple Crownvetch (TAS+Obs)

Trifolium repens L. White Clover (TAS)

Geraniaceae

Erodium cicutarium (L.) L'Her. ex Aiton. Hemlock-leav'd Crane's-bill (TAS)

Grossulariaceae

Ribes cereum Douglas. Wax Currant (Obs)

Lamiaceae

Lamium amplexicaule L. Henbit (TAS)

Nepeta racemosa Lam. Persian Catmint (TAS)

Oleaceae

Fraxinus pennsylvanica Marshall. Green Ash (TAS)

Papaveraceae

Eschscholzia californica Cham. California Poppy (TAS+Obs)

Plantaginaceae

Plantago lanceolata L. Narrowleaf Plantain (Obs)

Polygonaceae

Polygonum aviculare L. Prostrate Knotweed (TAS)

Rumex crispus L. Curley Dock (TAS)

Ranunculaceae

Ranunculus testiculatus Crantz. Bur Buttercup (TAS)

Rubiaceae

Galium aparine L. Sticky Willy, Cleavers (Obs)

Santalaceae

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

Scrophulariaceae

Scrophularia lanceolata Pursh. Lanceleaf Figwort (Obs)

Solanaceae

Solanum rostratum Dunal. Buffalo Bur Nightshade (Obs)

Solanum triflorum Nutt. Cutleaf Nightshade (Obs)

Ulmaceae

Ulmus pumila L. Siberian Elm (Obs)

Verbenaceae

Verbena bracteata Lag. & Rodr. Large Bract Vervain (Obs)

Zygophyllaceae

Tribulus terrestris L. Puncture Vine (Obs)

Cyperaceae

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

Poaceae

Bromeae

Bromus japonicus Thunb. Japanese Cheat Grass (TAS+Obs)

Bromus tectorum L. Cheat Grass (Obs)

Eragrostideae

Eragrostis cilianensis (All.) Vignolo ex Janch. Stinkgrass (TAS)

Paniceae

Echinochloa crus-galli (L.) P. Beauv. Barnyardgrass (TAS)

Panicum miliaceum L. Proso Millet (TAS)

Setaria viridis (L.) P. Beauv. Green Bristlegrass (Obs)

Cenchrinae

Cenchrus longispinus (Hack.) Fern. Longspine Sandbur (TAS)

Poeae

Dactylis glomerata L. Orchard Grass (TAS+Obs)

Lolium multiflorum Lam. Annual Ryegrass (TAS)

Poa annua L. Annual Blue Grass (Obs)

Poa bulbosa L. Bulbous Bluegrass (Obs)

Stipeae

Hesperostipa comata (Trin. & Rupr.) Barkworth. Needle and Thread (Obs)

Nassella viridula (Trin.) Barkworth. Green Needlegrass (TAS)

Triticeae

Agropyron cristatum (L.) Gaertn. Crested Wheat Grass (TAS)

Elymus canadensis L. Canadian Wildrye (TAS)

Secale cereale L. Cereal Rye (TAS)

Triticum aestivum L. Wheat (Obs)

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

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Date and time this article was prepared:3:32:47 PM, 4/27/2024.