Habitat of Astragalus piscator by Susan Panjabi.
Habitat of Astragalus piscator by Loraine Yeatts.
Habitat of Astragalus piscator by Peggy Lyon.
In Colorado, Astragalus piscator appears to be associated with the Cutler Formation (Colorado Natural Heritage Program 2015), in sandy, sometimes gypsiferous soils of valley benches and gullied foothills (Spackman et al. 1997). Associated plant community: Juniperus osteosperma. Additional associated plant species: Artemisia tridentata,Coleogyne ramosissima, Atriplex canescens, A. confertifolia, A. gardneri, Sarcobatus vermiculatus, Penstemon utahensis, Castilleja chromosa, C. scabrida, Physaria acutifolia, Cymopteris fendleri, Lepidium lasiocarpum, Arabis pulchra, Cryptantha gracilis, Bouteloua gracilis, Allium macropetalum, Erioneuron pulchellum, Townsendia incana, Oryzopsis hymenoides, Chrysothamnus viscidiflorus, Eriogonum inflatum, Astragalus lentiginosus, Oxytropis sericea, Astragalus flexuosus, Stephanomeria tenuifolia, Eriogonum corymbosum, Haplopappus nuttallii, Cryptantha fulvocanescens, Lepidium lasiocarpum, Cymopterus acaulis, Androstephium breviflorum, Townsendia incana, and Astragalus lonchocarpus.
Elevation Range:
4,511 - 5,581
feet (1,375 - 1,701 meters)