Plant Check List for DeLong Park (City of Golden), Jefferson County, United States.
Edited by Tom Schweich
This list is assembled from personal collections, herbarium vouchers, and published lists. For California, much of the data is provided by the participants of the Consortium of California Herbaria (http://ucjeps.berkeley.edu/consortium/ ).
For Colorado, much of the data is provided by the Southwest Environmental Information Network, which web site is found at (http://swbiodiversity.org ). See their respective websites for copyright information and recommended citation formats.
For a complete list of Locations included in this Area List, see the Locations Included section, below.
This page is highly summarized. For detail about the distribution of plants, please see: Detailed Area List for DeLong Park (City of Golden), Jefferson County, United States.
1. Cupressaceae
2. [ ] Juniperus scopulorum Sarg. 'Cologreen'.
Cologreen Rocky Mountain Juniper.
DeLongH
3. Pinaceae
4. [ ] Pinus aristata Engelm.
Bristlecone Pine.
DeLongH
5. [ ] Pinus heldreichii H. Christ var. leucodermis .
Bosnian Pine.
DeLongH
6. Apiaceae
7. [ ] Conium maculatum L.
Common Poison Hemlock.
Weed:
CO DofA, List: C.
8. Asteraceae
9. [ ] Achillea millefolium L.
(Syn:
A. lanulosa Nutt.
,
A. m. L. var. alpicola (Rydb.) Garrett
,
A. m. L. var. lanulosa (Nutt.) Piper
,
A. m. L. var. occidentalis DC.
)
Common Yarrow.
DeLongH
10. [ ] Ambrosia acanthicarpa Hook.
Flat-Spine Burr-Ragweed.
Weed
11. [ ] Ambrosia psilostachya DC.
Western Ragweed.
Thin.
12. [ ] Cirsium arvense (L.) Scop.
(Syn:
Breea arvensis (L.) Lessing
)
Canada Thistle.
Weed:
CO DofA, List: B.
13. [ ] Conyza canadensis (L.) Cronquist.
(Syn:
Erigeron canadensis (L.) Cronquist
)
Canadian Horseweed.
Weed
14. [ ] Coreopsis auriculata 'Zampfir'.
Fluted Coreopsis.
DeLongH
15. [ ] Ericameria nauseosa (Pall. ex Pursh) G.L.Nesom & G.I.Baird var. graveolens (Nutt.) Reveal & Schuyler.
Goldy-Locks.
Thin.
16. [ ] Gaillardia aristata Pursh.
Blanketflower.
DeLongH
17. [ ] Heterotheca villosa (Pursh) Shinners.
(Syn:
H. v. (Pursh) Shinners var. nana (A. Gray) Semple
,
H. v. (Pursh) Shinners var. villosa
)
Hairy False Goldenaster.
Native, likely adventive.
18. [ ] Lactuca serriola L.
Prickly Lettuce.
Weed
19. [ ] Onopordum acanthium L.
Scotch Cottonthistle.
Weed:
CO DofA, List: B.
20. [ ] Osteospermum 'Analanche'.
Avalanche White Dwarf Sun Daisy.
DeLongH
21. [ ] Ratibida columnifera (Nutt.) Woot. & Standl.
(Syn:
Rudbeckia columnifera Nutt.
)
Upright Prairie Coneflower.
DeLongH
22. [ ] Taraxacum officinale F. H. Wigg.
(Syn:
T. laevigatum (Willd.) DC.
)
Common Dandelion.
Weed
23. Bignoniaceae
24. [ ] Catalpa speciosa Teas.
Western Catalpa.
DeLongH
25. Boraginaceae
26. [ ] Ellisia nyctelea (L.) L.
Aunt Lucy.
Adventive native annual. Weed only if it becomes dominant.
27. Brassicaceae
28. [ ] Capsella bursa-pastoris (L.) Medik.
Shepherd's Purse.
Weed
29. [ ] Chorispora tenella (Pall.) DC.
Crossflower.
Weed
30. [ ] Descurainia incisa (Engelm.) Britton ssp. incisa .
(Syn:
D. incisa (Engelm.) Britton ssp. viscosa Rydb.) G. Mulligan
)
Mountain Tansymustard.
31. [ ] Hesperis matronalis L.
Dame's Rocket.
Weed:
CO DofA, List: B.
32. [ ] Lepidium draba L.
(Syn:
Cardaria draba (L.) Desv.
)
White Top.
Weed:
CO DofA, List: B.
33. Cannabaceae
34. [ ] Celtis occidentalis L.
Western Hackberry.
DeLongH
35. Caprifoliaceae
36. [ ] Knautia macedonica Griesb.
Macedonian scabious.
Watch.
37. [ ] Viburnum dentatum L.
Arrowwood Viburnum.
DeLongH
38. Caryophyllaceae
39. [ ] Scabiosa columbaria 'Butterfly Blue'.
Blue Pincushion Flower.
DeLongH
40. Chenopodiaceae
41. [ ] Chenopodium album L.
Lambsquarters.
Weed
42. [ ] Cycloloma atriplicifolium (Spreng.) J. M. Coult.
Winged-Pigweed.
Native, but alien to Jefferson County, Weed
43. [ ] Kochia scoparia (L.) Schrad.
(Syn:
Bassia scoparia (L.) A. J. Scott
,
Bassia sieversiana (Pall.) W. A. Weber
)
Common Red Sage.
Weed
44. [ ] Salsola tragus L.
(Syn:
S. australis R. Brown
,
S. iberica (Sennen & Pau) Botschantzev ex Czerepanov
,
S. kali
,
S. kali var. tenuifolia Tausch.
,
S. pestifer Nels.
)
Tumbleweed.
Weed
45. Cleomaceae
46. [ ] Cleomella serrulata (Pursh) Roalson & J. C. Hall.
(Syn:
Cleome serrulata Pursh
,
Peritoma serrulata (Pursh) DC.
)
Rocky Mountain Bee Plant.
DeLongH
47. Convolvulaceae
48. [ ] Convolvulus arvensis L.
Field Bindweed.
Weed:
CO DofA, List: C.
49. Euphorbiaceae
50. [ ] Euphorbia myrsinites L.
(Syn:
Tithymalus myrsinites (L.) Hill
)
Myrtle Spurge.
Toxic!
Weed:
CO DofA, List: A.
51. Fabaceae
52. [ ] Gleditsia triacanthos L. var. inermis C. K. Schneid. 'Imperial'.
Imperial Honeylocust.
DeLongH
53. [ ] Lathyrus latifolius L.
Perennial Pea Vine.
Weed
54. [ ] Securigera varia (L.) Lassen.
(Syn:
Coronilla varia L.
)
Purple Crownvetch.
Weed
55. Fagaceae
56. [ ] Quercus bicolor Willd.
Swamp White Oak.
DeLongH
57. [ ] Quercus macrocarpa Michx.
Bur Oak.
DeLongH
58. Geraniaceae
59. [ ] Erodium cicutarium (L.) L'Her. ex Aiton.
Hemlock-leav'd Crane's-bill.
Weed:
CO DofA, List: C.
60. Lamiaceae
61. [ ] Caryopteris × clandonensis 'Blue Mist'.
Blue Mist Spirea.
DeLongH
62. [ ] Lamium amplexicaule L.
Henbit.
Weed
63. [ ] Nepeta racemosa Lam.
Persian Catmint.
Weed .
64. [ ] Salvia × sylvestris 'May Night'.
May Night Purple Salvia.
DeLongH
65. Linaceae
66. [ ] Linum L. .
Flax.
DeLongH
67. Oleaceae
68. [ ] Syringa vulgaris L.
Common Purple Lilac.
DeLongH
69. Papaveraceae
70. [ ] Eschscholzia californica Cham.
California Poppy.
Weed ?
Not weeding at this time.
71. Plantaginaceae
72. [ ] Penstemon pinifolius Greene.
Pine-Needle Beardtongue.
DeLongH
73. Polygonaceae
74. [ ] Polygonum aviculare L.
Prostrate Knotweed.
Weed
75. [ ] Rumex crispus L.
Curley Dock.
Weed
76. Ranunculaceae
77. [ ] Ranunculus testiculatus Crantz.
(Syn:
Ceratocephala orthoceras DC.
)
Bur Buttercup.
Weed
78. Rosaceae
79. [ ] Dasiophora fruticosa (L.) Rydb. 'Gold Drop'.
Gold Drop Potentilla.
DeLongH
80. [ ] Fallugia paradoxa (D. Don) Endl.
Apache Plume.
DeLongH
81. [ ] Rosa 'Knock Out'.
Knock Out Rose.
DeLongH
82. Rubiaceae
83. [ ] Galium aparine L.
(Syn:
Galium aparine L. var. echinospermum (Wallr.) Farw.
,
Galium spurium L.
)
Sticky Willy, Cleavers.
Weed
84. Sapindaceae
85. [ ] Acer miyabbei Maxim. 'Morton'.
State Street Maple.
DeLongH
86. [ ] Acer saccharum L. 'JFS-Caddo'.
Caddo Sugar Maple.
DeLongH
87. Saxifragaceae
88. [ ] Heuchera villosa × americana 'Berry Smoothie'.
Coral Bells 'Berry Smoothie'.
DeLongH
89. Solanaceae
90. [ ] Solanum rostratum Dunal.
Buffalo Bur Nightshade.
Native, but very prickly, Weed
91. [ ] Solanum triflorum Nutt.
Cutleaf Nightshade.
Native, but very weedy. Weed .
92. Ulmaceae
93. [ ] Ulmus pumila L.
Siberian Elm.
Weed , 1000s of seedlings.
94. Verbenaceae
95. [ ] Verbena bracteata Lag. & Rodr.
Large Bract Vervain.
Weed
96. Zygophyllaceae
97. [ ] Tribulus terrestris L.
Puncture Vine.
Weed:
CO DofA, List: C.
98. Asparagaceae
99. [ ] Hesperaloe parviflora (Torr.) Coult.
Red False Yucca.
DeLongH
100. Asphodelaceae
101. [ ] Kniphofia uvaria (L.) Oken 'Flamenco'.
Torch Lily.
DeLongH
102. Poaceae
103. [ ] Achnatherum hymenoides (Roem. & Schult.) Barkworth.
(=Eriocoma hymenoides (Roem. & Schult.) Rydb. )
Indian Rice Grass.
DeLongH
104. [ ] Bouteloua gracilis (Kunth) Lag. ex Griffiths.
(Syn:
Chondrosum gracile Kunth
)
Blue Grama.
DeLongH
105. [ ] Bromus tectorum L.
(Syn:
B. tectorum L. var. glabratus Spenn.
)
Cheat Grass.
Weed:
CO DofA, List: C.
106. [ ] Buchloe dactyloides (Nutt.) Engelm.
(=Bouteloua dactyloides (Nutt.) J.T. Columbus )
Buffalo Grass.
DeLongH
107. [ ] Cenchrus longispinus (Hack.) Fern.
Longspine Sandbur.
Native, but very prickly, Weed
108. [ ] Dactylis glomerata L.
Orchard Grass.
Non-native grass, Weed .
109. [ ] Distichlis spicata (L.) E. Greene.
(=Distichlis stricta (Torrey) Rydberg )
Saltgrass.
DeLongH
110. [ ] Echinochloa crus-galli (L.) P. Beauv.
Barnyardgrass.
Non-native grass, Weed .
111. [ ] Eragrostis cilianensis (All.) Vignolo ex Janch.
Stinkgrass.
Weed
112. [ ] Hesperostipa comata (Trin. & Rupr.) Barkworth.
(Syn:
Stipa comata Trin. & Rupr.
)
Needle and Thread.
113. [ ] Panicum miliaceum L.
Proso Millet.
Weed:
CO DofA, List: C.
114. [ ] Pascopyrum smithii (Rydb.) Á. Löve.
(Syn:
Agropyron smithii Rydb.
)
Western Wheatgrass.
Native tall cool-season grass that can dominate, Thin .
DeLongH
115. [ ] Pennisetum alopecuroides (L.) Spreng. 'Hameln'.
Dwarf Fountain Grass.
DeLongH
116. [ ] Poa annua L.
Annual Blue Grass.
Weed
117. [ ] Poa bulbosa L.
Bulbous Bluegrass.
Weed:
CO DofA, List: C.
118. [ ] Setaria viridis (L.) P. Beauv.
Green Bristlegrass.
Weed
119. [ ] Sporobolus heterolepis (A. Gray) A. Gray.
Prairie Drop-seed.
DeLongH
Total number of taxa: 84
Native Taxa: (serif, italic, bold) 24
Exotic Taxa: (sans-serif, italic) 58
Nativity Undetermined: (default font, italic) 2
Listed Weeds: Identified as Weed 12
Locations Included in This Area
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Date and time this article was prepared: 3/17/2023 5:10:59 PM