Colletes simulans Cresson 1868

have host

• Global Biotic Interactions: Solidago rigida L. (Hard-Leaf Flat-Top-Goldenrod)
• Global Biotic Interactions: Solidago rigida L. (Hard-Leaf Flat-Top-Goldenrod)
• Global Biotic Interactions: Chrysopsis mariana (L.) Ell. (Maryland goldenaster)
• Global Biotic Interactions: Chrysothamnus greenei (A. Gray) Greene (Greene's rabbitbrush)
• Global Biotic Interactions: Solidago juncea Ait. (early goldenrod)
• Global Biotic Interactions: Gutierrezia sarothrae (Pursh) Britt. & Rusby (broom snakeweed)
• Global Biotic Interactions: Senecio spartioides Torr. & A. Gray (broom-like ragwort)
• Global Biotic Interactions: Solidago juncea Ait. (early goldenrod)
• Global Biotic Interactions: Opuntia polyacantha Haw. (Panhandle Prickly-pear)
• Global Biotic Interactions: Thelypodium integrifolium (Nutt.) Endl. (entireleaved thelypody)
• Global Biotic Interactions: Lorandersonia linifolia (Greene) Urbatsch (Spear-Leaf False Geesewood)
• Global Biotic Interactions: Senecio flaccidus var. douglasii (DC.) B. L. Turner & T. M. Barkley (Douglas' ragwort)
• Global Biotic Interactions: Solidago nemoralis Ait. (gray goldenrod)
• Global Biotic Interactions: Peritoma lutea
• Global Biotic Interactions: Ericameria nauseosa (Pall. ex Pursh) G. L. Nesom & G. I. Baird (rubber rabbitbrush)
• Global Biotic Interactions: Ericameria parryi (A. Gray) G. L. Nesom & G. I. Baird (Parry's rabbitbrush)
• Global Biotic Interactions: Grindelia squarrosa (Pursh) Dunal (Curly-cup gumweed)
• Global Biotic Interactions: Solidago nemoralis Ait. (gray goldenrod)
• Global Biotic Interactions: Chrysothamnus viscidiflorus (Hook.) Nutt. (yellow rabbitbrush)
• Global Biotic Interactions: Chrysothamnus depressus Nutt. (longflower rabbitbrush)