Eastern Mojave Vegetation South Table Mountain Open Space (City of Golden), Jefferson County, Colorado.
 
Gazetteer

Query: G.N.I.S.

Located on the western slope of South Table Mountain, this open space includes the Lubahn Trail and connects to Jeffco Open Space’s Olivine Trail. It features volcanic rock formations, scenic overlooks, and educational geological features such as Castle Rock and the K-Pg boundary.

ACRES: 26.53

CLASSIFICATION: Natural Area

ATTRIBUTES: Cultural, Ecological, Active Visitation, Passive Visitation, Scenic

ACCESS AND TRAILS:

DESIGNATED PUBLIC ACCESS: Yes

TRAILS: Designated

KEY FEATURES:

  • Volcanic formations and panoramic views
  • Connection to larger Jeffco Open Space system
  • K-Pg boundary and historic fossil findings
  • Geological preservation
  • Scenic hiking and trail connectivity

MANAGEMENT NOTES:

  • Trail erosion control and maintenance required
  • Visitation limited to designated trails
  • Consider for CNHP PCA designation (B1: Irreplaceable Site With Global Significance)


Elevation: 6316ft, 1925m.

Articles that refer to this location:

  • Checklist Flora of Native and Naturalized Vascular Plants of Golden and Vicinity, Jefferson County, Colorado: STM OS; 
 

Area Plant Lists that contain this location:

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

Selineae

Aletes acaulis (Torr.) J.M. Coult. & Rose. Stemless Indian Parsley (Oth) CC:7

Asclepiadaceae

Asclepias pumila (A. Gray) Vail. Plains Milkweed (Obs) CC:4

Asteraceae

Astereae

Astranthiinae

Townsendia grandiflora Nutt. Largeflower Townsend Daisy (Obs) CC:6

Conyzinae

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

Pentachaetinae

Ericameria nauseosa (Pall. ex Pursh) G. I. Nesom & G. I. Baird nauseosa. Rubber Rabbitbush (Obs) CC:3

Heliantheae

Ambrosiinae

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

Brassicaceae

Erysimum capitatum (Hook.) Greene. Sanddune Wallflower (Oth) CC:5

Physaria vitulifera Rydb. Bull. Torrey Bot. Club 28: 278. 1901. Roundtip Twinpod (Obs) CC:6

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

Cactaceae

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

Campanulaceae

Campanula rotundifolia L. Harebell (Oth) CC:5

Caprifoliaceae

Symphoricarpos rotundifolius A. Gray. Roundleaf Snowberry (Oth) CC:5

Chenopodiaceae

Atriplex canescens (Pursh) Nutt. Four-wing Saltbush (Oth) CC:7

Euphorbiaceae

Chamaesyce glyptosperma (Engelm.) Small. Ribseed Sand Mat (Oth) CC:2

Euphorbia brachycera Engelm. Horned Spurge (Oth) CC:6

Euphorbia spathulata Lam. Warty Spurge, Spoonleaf Spurge (Oth) CC:6

Fabaceae

Oxytropis sericea Nutt. ex Torr. & A. Gray. White Locoweed (Oth) CC:5

Vicia villosa Roth. Hairy Vetch (Oth) CC:0

Fumariaceae

Corydalis aurea Willd. Scrambled Eggs (Oth) CC:5

Urticaceae

Parietaria pensylvanica Willd. Pennsylvania Pellitory (TAS+Obs) CC:1

Asparagaceae

Asparagoideae

Asparagus officinalis L. Asparagus (Oth) CC:0

Melanthiaceae

Toxicoscordion paniculatum (Nutt.) Rydb. Foothill Death Camas (Oth) CC:5

Total number of taxa: 22
Native Taxa:
(serif, italic, bold)		 19
Exotic Taxa:
(sans-serif, italic)		2
Nativity Undetermined:
(default font, italic) 		1
Listed Weeds:
Identified as Weed 		0
FQA, CC, n=22, Mean C: 4, FQI = 18.8
If you have a question or a comment you may write to me at: tomas@schweich.com I sometimes post interesting questions in my FAQ, but I never disclose your full name or address.  

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Date and time this article was prepared:5:21:17 PM, 4/24/2026.