2025
Southern Colorado

We spent several days in southern Colorado stopping at Trinidad Lake State Park, Cucharas Pass, La Veta and Great Sand Dunes National Park.  Latrer we were in the San Juan Mountains, not really doing wildflower photography, and acme upon one new species near Silverton, Cirsium parryi. In all, we found 14 new species for the website. 
Please contact us with comments and if you see errors in identification.

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NEW! Abies concolor
(White Fir)
9124
Common Name White Fir
Scientific Name Abies concolor
Family Pinaceae (Pine)
Date June 27, 2025
Location Mosca Pass Trail, Great Sand Dunes National Park, Alamosa County
Camera Nikon D810
Lens Nikon 24-120 mm f/4.0
Focal Length 70 mm
Aperture f/13
Speed 1/80 sec.
ISO 2000
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Allium geyerii var. geyeri
(Geyer’s Onion)
0552
Common Name Geyer's Onion
Scientific Name Allium geyeri
Family Amaryllidaceae (Amaryllis)
Date June 25, 2025
Location Farley Wildflower Overlook, Cucharas Pass, Huerfano County
Camera Nikon D850
Lens Nikon 24-120 mm f/4.0
Focal Length 120 mm
Aperture f/16
Speed 1/800 sec.
ISO 800
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Androsace septentrionalis
(Northern Fairy Candelabra) 8856
Common Name Northern Fairy Candelabra
Scientific Name Androsace septentrionalis
Family Primulaceae (Primrose)
Date June 27, 2025
Location Mosca Pass Trail, Great Sand Dunes National Park, Alamosa County
Camera Nikon D850
Lens Nikon 24-120 mm f/4.0
Focal Length 180 mm
Aperture f/13
Speed 1/200 sec.
ISO 2200
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Antennaria anaphaloides
(Pearly Pussytoes)
8683
Common Name Pearly Pussytoes
Scientific Name Antennaria anaphaloides
Family Asteraceae (Sunflower)
Date June 25, 2025
Location Farley Overlook east of Cucharas Pass, Huerfano County
Camera Nikon D810
Lens Nikon 24-120 mm f/4.0
Focal Length 180 mm
Aperture f/14
Speed 1/320 sec.
ISO 400
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NEW! Asclepias asperula ssp. asperula
(Antelope Horns)
8203
Common Name Antelope Horns,
Spider Milkweed
Scientific Name Asclepias asperula ssp. asperula
Family Apocynaceae (Dogbane)
Date June 23, 2025
Location Levsa Trail, Trinidad Lake State Park, Las Animas County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 110 mm
Aperture f/16
Speed 1/125 sec.
ISO 800
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Cerastium arvense ssp. strictum
(Alpine Chickweed)
8669
Common Name Alpine Chickweed,
Field Mouse-ear Chickweed
Scientific Name Cerastium arvense ssp. strictum
Family Caryophyllaceae (Pink)
Date June 25, 2025
Location Farley Wildflower Overlook, Cucharas Pass, Huerfano County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 116 mm
Aperture f/14
Speed 1/160 sec.
ISO 400
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NEW! Cirsium parryi
(Parry’s Thistle)
4757
Common Name Parry's Thistle
Scientific Name Cirsium parryi
Family Asteraceae (Sunflower)
Date July 29, 2025
Location FR 815 near Clear Lake, west of Silverton, San Juan County
Camera Apple iPhone 14 Pro Max
Lens 6.9 mm f/1.8
Focal Length 48 mm (35 mm equivalent)
Aperture f/1.8
Speed 1/3600 sec.
ISO 64
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Clematis ligusticifolia
(Virgin’s Bower)
8954
Common Name Virgin's Bower,
Western White Clematis
Scientific Name Clematis ligusticifolia
Family Ranunculaceae (Buttercup)
Date June 25, 2025
Location Mosca Pass Trail, Great Sand Dunes National Park, Alamosa County
Camera Nikon D810
Lens Nikon Micro 80-180 mm f/4.5-5.6
Focal Length 180 mm
Aperture f/13
Speed 1/320 sec.
ISO 800
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NEW! Echinocereus coccineus ssp. coccineus
Scarlet Hedgehog Cactus
9083
Common Name Scarlet Hedgehog Cactus
Scientific Name Echinocereus coccineus ssp. coccineus
Family Cactaceae (Cactus)
Date June 27, 2025
Location Mosca Pass Trail, Great Sand Dunes National Park, Alamosa County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 70 mm
Aperture f/14
Speed 1/320 sec.
ISO 1600
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NEW! Echinocereus triglochidiatus
Kingcup Cactus
9203
Common Name Kingcup Cactus,
Claretcup Hedgehog Cactus
Scientific Name Echinocereus triglochidiatus
(Echinocereus mohavensis)
Family Cactaceae (Cactus)
Date June 28, 2025
Location Along CO 150 south of Great Sand Dunes National Park, Alamosa County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 180 mm
Aperture f/13
Speed 1/40 sec.
ISO 640
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Erigeron divergens
(Spreading Fleabane)
8489
Common Name Spreading Fleabane,
Speading Daisy
Scientific Name Erigeron divergens
Family Asteraceae (Sunflower)
Date June 23, 2025
Location Levsa Trail, Trinidad Lake State Park, Las Animas County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 130 mm
Aperture f/13
Speed 1/200 sec.
ISO 400
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NEW! Erigeron subtrinervis
(Three-nerve Fleabane)
9275
Common Name Three-nerve Fleabane
Scientific Name Erigeron subtrinervis
Family Asteraceae (Sunflower)
Date June 28, 2025
Location Wellington Ditch Trail, Great Sand Dunes National Park, Alamosa County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 180 mm
Aperture f/16
Speed 1/250 sec.
ISO 640
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Erysimum capitatum
(Western Wallflower)
8736
Common Name Western Wallflower
Scientific Name Erysimum capitatum
Family Brassicaceae (Mustard)
Date June 25, 2025
Location FR415 east of Cucharas Pass, Huerfano County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 122 mm
Aperture f/13
Speed 1/125 sec.
ISO 720
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Erysimum capitatum
(Western Wallflower)
9397
Common Name Western Wallflower
Scientific Name Erysimum capitatum
Family Brassicaceae (Mustard)
Date June 28, 2025
Location Mosca Pass Trail, Great Sand Dunes NP, Alamosa County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 135 mm
Aperture f/16
Speed 1/250 sec.
ISO 640
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NEW! Escobaria vivipara
(Pincushion Cactus)
8556
Common Name Pincushion Cactus,
Spinystar
Scientific Name Escobaria vivipara
(Coryphantha vivipara)
Family Cactaceae (Cactus)
Date June 24, 2025
Location Levsa Trail, Trinidad Lakes State Park, Las Animas County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 122 mm
Aperture f/13
Speed 1/125 sec.
ISO 2500
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NEW! Fallugia paradoxa
(Apache Plume)
9176
Common Name Apache Plume
Scientific Name Fallugia paradoxa
Family Rosaceae (Rose)
Date June 28, 2025
Location Along CO 150 south of Great Sand Dunes National Park, Alamosa County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 180 mm
Aperture f/16
Speed 1/200 sec.
ISO 4500
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Grindelia subalpina
(Subalpine Gumweed)
8350
Common Name Subalpine Gumweed
Scientific Name Grindelia subalpina
Family Asteraceae (Sunflower)
Date June 23, 2025
Location Levsa Canyon Trail, Trinidad Lake State Park, Las Animas County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 180 mm
Aperture f/16
Speed 1/320 sec.
ISO 1600
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Hackelia floribunda
(Manyflower Stickseed)
8843
Common Name Manyflower Stickseed
Scientific Name Hackelia floribunda
Family Boraginaceae (Forget-me-not)
Date June 27, 2025
Location Mosca Pass Trail, Great Sand Dunes NP, Alamosa County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 135 mm
Aperture f/16
Speed 1/250 sec.
ISO 640
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Heterotheca villosa var. nana
(Hairy False Goldenaster)
8383
Common Name Hairy False Goldenaster
Scientific Name Heterotheca villosa var. nana
Family Asteraceae (Sunflower)
Date June 23, 2025
Location Levsa Canyon Trail, Trinidad Lake State Park, Las Animas County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 180 mm
Aperture f/16
Speed 1/100 sec.
ISO 1600
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Holodiscus discolor var. dumosus
(Rock Spirea)
9287
Common Name Rock Spirea
Scientific Name Holodiscus discolor var. dumosus (Holodiscus dumosus)
Family Rosaceae (Forget-me-not)
Date June 28, 2025
Location Mosca Pass Trail, Great Sand Dunes NP, Alamosa County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 180 mm
Aperture f/16
Speed 1/200 sec.
ISO 1000
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Hymenopappus filifolius var. cinereus
(Fineleaf Hymenopappus)
8136
Common Name Fineleaf Hymenopappus
Scientific Name Hymenopappus filifolius var. cinereus
Family Asteraceae (Sunflower)
Date June 23, 2025
Location Levsa Canyon Trail, Trinidad Lake State Park, Las Animas County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 180 mm
Aperture f/16
Speed 1/160 sec.
ISO 1600
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Hymenopappus filifolius var. cinereus (Fineleaf Hymenopappus) and Icaricia icaricioides (Boisduval’s Blue) 9353
Common Name Fineleaf Hymenopappus and Boisduval's Blue
Scientific Name Hymenopappus filifolius var. cinereus and
Icaricia icaricioides
Family Asteraceae (Sunflower)
Date June 28, 2025
Location Wellington Ditch Trail Great Sand Dunes National Park, Alamosa County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 180 mm
Aperture f/16
Speed 1/500 sec.
ISO 640
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Hymenoxys richardsonii var. floribunda
(Colorado Rubberweed)
8117
Common Name Colorado Rubberweed
Scientific Name Hymenoxys richardsonii
Family Asteraceae (Sunflower)
Date June 23, 2025
Location Levsa Canyon Trail, Trinidad Lake State Park, Las Animas County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 180 mm
Aperture f/16
Speed 1/160 sec.
ISO 1600
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Melilotus albus
(White Sweet Clover)
 8360
Common Name White Sweet Clover
Scientific Name Melilotus albus
Family Fabaceae (Pea)
Date June 23, 2025
Location Levsa Canyon Trail, Trinidad Lake State Park, Las Animas County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 180 mm
Aperture f/20
Speed 1/250 sec.
ISO 1600
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Mirabilis linearis
(Narrow-leaf Four O’Clock)
8374
Common Name Narrow-leaf Four O'Clock
Scientific Name Mirabilis linearis
Family Nyctaginaceae (Four O'Clock)
Date June 23, 2025
Location Levsa Canyon Trail, Trinidad Lake State Park, Las Animas County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 180 mm
Aperture f/16
Speed 1/200 sec.
ISO 1600
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Oenothera cespitosa ssp. cespitosa
(Tufted Evening Primrose)
8652
Common Name Tufted Evening Primrose
Scientific Name Oenothera cespitosa ssp. cespitosa
Family Onagraceae (Evening Primrose)
Date June 25, 2025
Location FR422 north west of Cucharas Pass, Huerfano County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 116 mm
Aperture f/14
Speed 1/320 sec.
ISO 1600
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Oenothera coronopifolia
(Cut-leaf Evening Primrose)
8110
Common Name Cut-leaf Evening Primrose,
Crownleaf Evening Primrose
Scientific Name Oenothera coronopifolia
Family Onograceae (Evening Primrose)
Date June 23, 2025
Location Trinidad Lake State Park, Las Animas County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 180 mm
Aperture f/16
Speed 1/125 sec.
ISO 1600
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Opuntia phaeacantha
(Tulip Prickly Pear)
8390
Common Name Tulip Prickly Pear
Scientific Name Opuntia phaeacantha
Family Cactaceae (Cactus)
Date June 23, 2025
Location Levsa Canyon Trail, Trinidad Lake State Park, Las Animas County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 70 mm
Aperture f/14
Speed 1/125 sec.
ISO 400
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Opuntia polyacantha var. polyacantha
(Hairspine Prickly Pear)
8378
Common Name Hairspine Prickly Pear,
Starvation Prickly Pear
Scientific Name Opuntia polyacantha var. polyacantha
Family Cactaceae (Cactus)
Date June 23, 2025
Location Levsa Canyon Trail, Trinidad Lake State Park, Las Animas County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 130 mm
Aperture f/14
Speed 1/160 sec.
ISO 400
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Opuntia polyacantha var. polyacantha
(Hairspine Prickly Pear)
4506
Common Name Hairspine Prickly Pear,
Starvation Prickly Pear
Scientific Name Opuntia polyacantha var. polyacantha
Family Cactaceae (Cactus)
Date June 28, 2025
Location Wellington Ditch Trail, Great Sand Dunes National Park, Alamosa County
Camera Apple iPhone 14 Pro Max
Lens 6.9 mm f/1.8
Focal Length 78 mm (35 mm equivalent)
Aperture f/1.8
Speed 1/5600 sec.
ISO 64
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NEW! Penstemon angustifolius var. caudatus
(Broadbeard Penstemon)
8513
Common Name Broadbeard Penstemon,
Broadbeard Beardtongue
Scientific Name Penstemon angustifolius var. caudatus
Family Plantaginaceae (Plantain)
Date June 23, 2025
Location Levsa Canyon Trail, Trinidad Lake State Park, Las Animas County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 180 mm
Aperture f/14
Speed 1/60 sec.
ISO 800
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Penstemon barbatus var. torreyi
(Torrey’s Penstemon)
8297
Common Name Torrey's Penstemon,
Beard-lip Penstemon
Scientific Name Penstemon barbatus var. torreyi
Family Plantaginaceae (Plantain)
Date June 23, 2025
Location Levsa Canyon Trail, Trinidad Lake State Park, Las Animas County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 180 mm
Aperture f/11
Speed 1/200 sec.
ISO 1600
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NEW! Penstemon glaber var. brandegeei
(Brandegeei’s Penstemon)
8235
Common Name Brandegeei's Penstemon
Scientific Name Penstemon glaber var. brandegeei
Family Plantaginaceae (Plantain)
Date June 23, 2025
Location Levsa Canyon Trail, Trinidad Lake State Park, Las Animas County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 110 mm
Aperture f/11
Speed 1/200 sec.
ISO 800
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Penstemon virgatus var. asa-grayi
(Upland Blue Beardtongue)
8816
Common Name Upland Blue Beardtongue,
Beardless Sidebells Penstemon
Scientific Name Penstemon virgatus var. asa-grayi
(Penstemon unilateralis)
Family Plantaginaceae (Plantain)
Date June 27, 2025
Location Mosca Pass Trail, Great Sand Dunes NP, Alamosa County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 180 mm
Aperture f/14
Speed 1/20 sec.
ISO 800
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NEW! Physocarpus monogynus
(Mountain Ninebark)
9059
Common Name Mountain Ninebark
Scientific Name Physocarpus monogynus
Family Rosaceae (Rose)
Date June 27, 2025
Location Mosca Pass Trail, Great Sand Dunes NP, Alamosa County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 135 mm
Aperture f/16
Speed 1/60 sec.
ISO 10000
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NEW! Pinus edulis
(Pinyon Pine) 8175
Common Name Pinyon Pine, Two-needle Pinyon, Colorado Pinyon
Scientific Name Pinus edulis
Family Pinaceae (Pine)
Date June 23, 2025
Location Levsa Canyon Trail, Trinidad Lake State Park, Las Animas County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 150 mm
Aperture f/16
Speed 1/40 sec.
ISO 800
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Polemonium pulcherrimum ssp. delicatum, Cucharas Pass, Huerfano Co. 8756
Common Name Jacob's Ladder
Scientific Name Polemonium pulcherrimum ssp. delicatum
Family Polemoniaceae (Phlox)
Date June 25, 2025
Location FR415 east of Cucharas Pass, Huerfano County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 180 mm
Aperture f/16
Speed 1/60 sec.
ISO 800
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Potentilla pulcherrima, FR422 North of Cucharas Pass, Huerfano Co. 8636
Common Name Beautiful Cinquefoil,
Soft Cinquefoil
Scientific Name Potentilla pulcherrima
Family Rosaceae (Rose)
Date June 25, 2025
Location FR415 east of Cucharas Pass, Huerfano County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 180 mm
Aperture f/14
Speed 1/320 sec.
ISO 1600
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Psoralidium tenuiflorum
(Slimflower Scurfpea)
8165
Common Name Slimflower Scurfpea
Scientific Name Psoralidium tenuifolium
(Pediomelum tenuifolium)
Family Fabaceae (Pea)
Date June 23, 2025
Location Levsa Canyon Trail, Trinidad Lake State Park, Las Animas County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 180 mm
Aperture f/16
Speed 1/100 sec.
ISO 800
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NEW! Rhus aromatica var. trilobata
(Skunkbush Sumac)
8067
Common Name Skunkbush Sumac, Aromatic Skunkbush
Scientific Name Phus aromatica var. trilobatam
(R. trilobata var.trilobata)
Family Anacardiaceae (Sumac)
Date June 23, 2025
Location Levsa Canyon Trail, Trinidad Lake State Park, Las Animas County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 180 mm
Aperture f/16
Speed 1/8 sec.
ISO 800
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Sedum lanceolatum var. lanceolatum
(Yellow Stonecrop)
9307
Common Name Yellow Stonecrop
Scientific Name Sedum lanceolatum var. lanceolatum
Family Crassulaceae (Stonecrop)
Date June 28, 2025
Location Wellington Ditch Trail, Great Sand Dunes NP, Alamosa County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 180 mm
Aperture f/16
Speed 1/200 sec.
ISO 3600
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Stephanomeria pauciflora
(Few-flower Wirelettuce)
9225
Common Name Few-flower Wirelettuce,
Brownplume Wirelettuce
Scientific Name Stephanomeria pauciflora
Family Asteraceae (Sunflower)
Date June 28, 2025
Location Along CO150 near Great Sand Dunes NP, Alamosa County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 180 mm
Aperture f/16
Speed 1/30 sec.
ISO 640
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NEW! Townsendia eximia
(Rocky Mountain Townsend Daisy)
8319
Common Name Rocky Mountain Townsend Daisy,
Tall Easter Daisy
Scientific Name Townsendia eximia
Family Asteraceae (Sunflower)
Date June 23, 2025
Location Levsa Canyon Trail, Trinidad Lake State Park, Las Animas County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 180 mm
Aperture f/16
Speed 1/100 sec.
ISO 1600
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Yucca glauca
(Great Plains Yucca)
8793
Common Name Great Plains Yucca,
Soapweed
Scientific Name Yucca glauca
Family Asperagaceae (Asparagus)
Date June 26, 2025
Location Along CO12 south of La Veta, Huerfano County
Camera Nikon D810
Lens Nikon Micro 70-180 mm f/4.5-5.6
Focal Length 130 mm
Aperture f/14
Speed 1/100 sec.
ISO 100

© Tom Lebsack 2025

Banner photo: Castilleja rhexifolia and a brewing storm over the San Juan Mountains

 I try to provide accurate, up-to-date, and relevant information, but cannot guarantee the completeness or accuracy of any information presented on this website. I use authoritative references to insure high standards of accuracy and review and update the information frequently.