2019 Wild Flower Wednesday Hikes

2019 Dates:  May 15th & 29th, June 12th & 26th, July 17 & 31st, Aug 14th and 28th 

Helpful websites with more information about local flowers:
Jefferson County Plant Database-http://jeffco.us/coopext/wordsearch.jsp ;
Wildflowers, Ferns, & Trees of CO, NM, AZ, & UT-http://www.swcoloradowildflowers.com ;
Eastern CO Wildflowers-http://www.easterncoloradowildflowers.com ;
Colorado Dept. of Agriculture-http://wildflowersofcolorado.com;
USDA Plant Database-http://plants.usda.gov/java/nameSearch
Helpful smartphone apps:

Wildflowers of the Western Plains-Earthrover Software
Colorado Rocky Mountain Wildflowers-High Country Apps
Colorado Weed ID-Colorado Dept of Agriculture                     
    Clink here to open printable copy of 5-9-18 Flower List 

Wild Flower Wednesday Flower Hike
Acorn Alley & Raccoon Ridge
June 13, 2018
Family            Common name          Scientific name                Interesting facts
Anacardiaceae   (Sumac) Poison Ivy Toxicodeneron rydbergii Native
Amaranthaceae (Amaranth) Russian Thistle Salsola sps         Alien
Asclepiadaceae (Milkweed) Butterfly Weed Asclepias tuberosa Native-Yellow to Red-Orange color
Asteraceace (Sunflower) Canada Thistle Cirsium arvense      Noxious Weed List B
Fleabane Erigeron sps                                                              Native
Hairy Golden Aster Heterotheca                                               Native
Horseweed Conyza canadensis                                               Introduced fm Canada
Musk Thistle Carduus nutans                                                   Noxious Weed List B
Rayless Greenthread Thelesperma megapotamicum              Native
Wavy Leaf Thistle Cirsium undulatum                                      Native
Various Pussytoes Antennaria sps                                           Native
Western Salsify Tagopogon dubius Alien                                 Eurasia
Yarrow (Plumajillo) Achillea lanulosa                                        Native
Boraginaceae (Borage) Narrowleaf Puccoon Lithospermum incisum Native
Many Flowered Lithospermum muiltiflorum                              Native
Marbleseed Onosmodium molle                                               Native
Cactaceae Big Foot Prickly pear Cactus Opuntia macrohiza Native-Yellow flowers
Caprifolianceae (Honeysuckle Fam) W Snowberry Symphoricarpos occidentalis Native
Convolvulaceae (Morning Glory) Field Bindweed Convolvulus arvensis Noxious List C-Flower white to light pink
Fabaceae (Pea) American Vetch, AKA Purple pea vine Vicia americana Look for tendrils at the end of the leaflets,                                               Native
Field Milk Vetch Astragalus agrestis Native-                              Pink/blue flower
Wild Alfalfa, Slenderflower Scrufpea Psoralidium tenuiflorum    Native
Fagaceae (Beech) Gamble Oak Querces gambelii                    Native
Geraniaceae (Geranium) Sticky Geranium Geranium viscosissimum Native
Onagraceae (Evening Primerose) Golden Evening Primrose Oenothera howardii
Roseaceae (Rose) Mountain Mahogany Cercocarpus montanus Native-Seeds forming
Ocean or Mnt Spray Holodiscus dumosus                                  Native
Wild Rose Rosa woodsii Native-hip is round shaped
Pinaceae (Pine) Ponderosa Pine Pinus ponderosa Native-State Tree of Montana
Scrophulariaceae (Figwort) Firecracker Penstemon Penstemon barbatus subspecies torreyi                                                                                             Native
Lanceleaf Figwort Scrophularia lanceolate                                    Native
Yellow Sweet Clover Melilotus officinale
Vitaceae (Grape Fm) Virginia Creeper Parthenocissus quinquefolia Native

June 27, 2018-Bear Paw Trail
Family Common name Scientific name Interesting facts
Amaranthaceae formerly Chenopodiaceae Russian Thistle Salsoa tragus Alien-Introduced fm Russia in 1873 in a load of Flax seed.
Anacardiaceae Three leaf Sumac/Skunk Bush Rhus aromatica Native
Asclepiadaceae Showy Milkweed Asclepias speciosa Native
Asteraceace (Sunflower)
Common Burdock Arctium minus Alien-CO Noxious Weed List C
Giant Burdock Arctium lappa Alien-CO Noxious Weed List C
Hairy Golden Aster Heterotheca villosa Native
Horseweed Conyza canadensis Alien-Canada
Little Sunflower Helianthella uniflora Native
Musk Thistle Circium vylgare Alien-CO Noxious Weed List C
Fringed Mountain Sage Artemisia frigida Native
Prairie Coneflower Ratibida columnifera Native-Perennial
Rayless Greenthread Thelesperma megapotamicum Native
Yarrow Achillea lanulosa Native-Perennial
Brassicaceae Jim Hill Mustard Sisymbrium altissimum Alien-Annual
W Wall Flower Erysimum asperum Native
Caprifolianceae (Honeysuckle) W Snowberry Symphoricarpos occidentalis Native Shrub
Chenopodiaceae Russian Thistle Salsola collina Alien-CO Noxious Weed List C
Geraniaceae Wild Geranium Geranium caespitosum Native
Red Filaree/Cranes’ bill Erodium cirutarium Alien
Grossulariaceae Gooseberry Ribes lacustre Native-Spines
Lamiaceae Catnip Nepeta cataria Alien
Beebalm/Horsemint Monarda fistulosa Native-Perennial
Loasaceae-Stickleaf Blazingstar/10 Petaled Blazingstar Nuttallia decapetala Native -Perennial
Nyctaginaaceae Narrow-Leaf Umbrellawort Oxybaphus linearis Native
Onagraceae-Evening Primrose Cutleaf Evening Primerose Oenothera coronopifolia Native-Perennial
Velvety Gaura Gaura mollis Native-Annual to Biennial
Papaveraceae Prickly Poppy Argemone polyanthemos Native
Roseacea Gosseberry Ribes sps Native
Silvery Potentillia Potentilla hippiana Native
Scrophulariaceae- Figwort Common Mullein Verbascum Thapsus Noxious Weed List C
Solanaceae-Nightshade Ground Cherry Physalis virginiana Native
Vitaceae Virgiania creeper Parthenocissus vitacea Native


Photos by Jack Busher