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Special Collections

U.S. Fish & Wildlife Service Threatened & Endangered Species

As the principal federal partner responsible for administering the Endangered Species Act (ESA), the USFWS takes the lead in recovering and conserving our Nation's imperiled species by fostering partnerships, employing scientific excellence, and developing a workforce of conservation leaders. To learn more, visit USFWS Environmental Conservation Online System.

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scientific namecommon name(s)image gallery
Echinacea laevigataSmooth Purple Coneflower
Echinomastus mariposensisLloyd's Fishhook Cactus
Mariposa Cactus
Echinocereus viridiflorus var. davisiiDavis' Hedgehog Cactus
Eriogonum ovalifolium var. vineumCushenbury Buckwheat
Fremontodendron mexicanumMexican Flannelbush
Southern Flannelbush
Southern Fremontia
Mexican Fremontia
Helonias bullataSwamp Pink
Helianthus paradoxusParadox Sunflower
Puzzle Sunflower
Pecos Sunflower
Ipomopsis polyanthaPagosa Ipomopsis
Iris lacustrisDwarf Lake Iris
Isotria medeoloidesSmall Whorled Pogonia
Green Fiveleaf Orchid
scientific namecommon name(s)image gallery

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General Appearance


Light requirement
 Sun - 6 or more hrs
 Part shade - 2 to 6 hrs
 Shade - 2 hrs or less

Soil moisture
 Dry - no signs of moisture
 Moist - looks & feels damp
 Wet - saturated

Bloom Time
 Jan  Feb  Mar
 Apr  May  Jun
 Jul  Aug  Sep
 Oct  Nov  Dec
Bloom Color
 White  Red  Pink
 Orange  Yellow  Green
 Blue  Purple  Violet
 Brown  Black

Leaf Arrangement

Leaf Retention