Ericameria parryi (A. Gray) G. L. Nesom & G. I. Baird

are host of

• Global Biotic Interactions: Dianthidium parvum (Cresson 1878)
• Global Biotic Interactions: Melissodes lutulentus La Berge 1961
• Global Biotic Interactions: Hylaeus wootoni (Cockerell 1896)
• Global Biotic Interactions: Perdita perpulchra Cockerell 1896
• Global Biotic Interactions: Anthophora petrophila Cockerell 1905
• Global Biotic Interactions: Melissodes semilupinus Cockerell 1905
• Global Biotic Interactions: Golovinomyces cichoracearum (DC.) V. P. Heluta 1988
• Global Biotic Interactions: Golovinomyces cichoracearum (DC.) V. P. Heluta 1988
• Global Biotic Interactions: Melissodes glenwoodensis Cockerell 1905
• Global Biotic Interactions: Agapostemon angelicus Cockerell 1924
• Global Biotic Interactions: Anthophora peritomae Cockerell 1905
• Global Biotic Interactions: Anthophora albata Cresson 1876
• Global Biotic Interactions: Melissodes bimatris La Berge 1961
• Global Biotic Interactions: Melissodes snowii Cresson 1879
• Global Biotic Interactions: Anthophora urbana Cresson 1879
• Global Biotic Interactions: Melissodes grindeliae Cockerell 1898
• Global Biotic Interactions: Marssonina chrysothamni Solheim 1970
• Global Biotic Interactions: Marssonina chrysothamni Solheim 1970
• Global Biotic Interactions: Marssonina chrysothamni Solheim 1970
• Global Biotic Interactions: Marssonina chrysothamni Solheim 1970
• Global Biotic Interactions: Golovinomyces pseudosepultus (U. Braun) V. P. Heluta 1988
• Global Biotic Interactions: Golovinomyces pseudosepultus (U. Braun) V. P. Heluta 1988
• Global Biotic Interactions: Marssonina chrysothamni Solheim 1970
• Global Biotic Interactions: Golovinomyces pseudosepultus (U. Braun) V. P. Heluta 1988
• Global Biotic Interactions: Marssonina chrysothamni Solheim 1970
• Global Biotic Interactions: Marssonina chrysothamni Solheim 1970
• Global Biotic Interactions: Dothidea bigeloviae
• Global Biotic Interactions: Hylaeus megalotis (Swenk & Cockerell 1910)
• Global Biotic Interactions: Megachile nevadensis Cresson 1879
• Global Biotic Interactions: Perdita subfasciata Cockerell 1897
• Global Biotic Interactions: Perdita knowltoni Timberlake 1960
• Global Biotic Interactions: Perdita phymatae Cockerell 1895
• Global Biotic Interactions: Perdita electa Timberlake 1960
• Global Biotic Interactions: Andrena ramaleyi Cockerell 1931
• Global Biotic Interactions: Perdita calloleuca Cockerell 1922
• Global Biotic Interactions: Ashmeadiella bucconis (Say 1837)
• Global Biotic Interactions: Coelioxys grindeliae Cockerell 1900
• Global Biotic Interactions: Triepeolus diversipes Cockerell 1924
• Global Biotic Interactions: Perdita cephalotes (Cresson 1878)
• Global Biotic Interactions: Perdita munda Timberlake 1958
• Global Biotic Interactions: Perdita luteola Cockerell 1894
• Global Biotic Interactions: Megachile rossi Mitchell 1943
• Global Biotic Interactions: Perdita festiva Timberlake 1958
• Global Biotic Interactions: Megachile manifesta Cresson 1878
• Global Biotic Interactions: Colletes gypsicolens Cockerell 1897
• Global Biotic Interactions: Lasioglossum ruidosense (Cockerell 1897)
• Global Biotic Interactions: Perdita vestita Timberlake 1958
• Global Biotic Interactions: Zacosmia maculata (Cresson 1879)
• Global Biotic Interactions: Colletes phaceliae Cockerell 1906
• Global Biotic Interactions: Perdita similis Timberlake 1958
• Global Biotic Interactions: Melissodes druriellus (Kirby 1802)
• Global Biotic Interactions: Epeolus pusillus Cresson 1864
• Global Biotic Interactions: Apis mellifera Linnaeus 1758
• Global Biotic Interactions: Colletes simulans Cresson 1868
• Global Biotic Interactions: Bombus morrisoni Cresson 1879
• Smithsonian Contributions to Zoology: Pleotrichophorus oestlundii (Knowlton 1927)
• Smithsonian Contributions to Zoology: Pleotrichophorus elongatus (Knowlton 1929)
• Smithsonian Contributions to Zoology: Pleotrichophorus packi (Knowlton 1928)