Gymnosporangium exiguum F. Kern 1908

have host

• Global Biotic Interactions: Heteromeles arbutifolia (Lindl.) M. Roemer (toyon)
• Global Biotic Interactions: Crataegus tracyi Ashe (Tracy's hawthorn)
• Global Biotic Interactions: Juniperus ashei J. T. Buchholz (Ashe Juniper)
• Global Biotic Interactions: Juniperus virginiana L. (Eastern Juniper)
• Global Biotic Interactions: Juniperus deppeana var. deppeana
• Global Biotic Interactions: Juniperus californica Carrière (California Juniper)
• Global Biotic Interactions: Juniperus deppeana var. deppeana
• Global Biotic Interactions: Cotoneaster cambricus J. Fryer & B. Hylmö
• Global Biotic Interactions: Juniperus virginiana L. (Eastern Juniper)
• Global Biotic Interactions: Crataegus reverchonii Sarg. (Reverchon's hawthorn)
• Global Biotic Interactions: Crataegus crus-galli L. (Cockspur Hawthorn)
• Global Biotic Interactions: Juniperus excelsa (Crimean Juniper)
• Global Biotic Interactions: Heteromeles arbutifolia (Lindl.) M. Roemer (toyon)
• Global Biotic Interactions: Heteromeles arbutifolia (Lindl.) M. Roemer (toyon)
• Global Biotic Interactions: Juniperus deppeana Steud. (alligator juniper)
• Global Biotic Interactions: Juniperus deppeana var. deppeana
• Global Biotic Interactions: Crataegus viridis L. (green hawthorn)
• Global Biotic Interactions: Juniperus deppeana var. deppeana
• Global Biotic Interactions: Juniperus excelsa (Crimean Juniper)
• Global Biotic Interactions: Heteromeles arbutifolia (Lindl.) M. Roemer (toyon)
• Global Biotic Interactions: Crataegus pruinosa Wendl. (waxyfruit hawthorn)
• Global Biotic Interactions: Crataegus tracyi Ashe (Tracy's hawthorn)
• Global Biotic Interactions: Juniperus californica Carrière (California Juniper)
• Global Biotic Interactions: Juniperus deppeana Steud. (alligator juniper)
• Global Biotic Interactions: Juniperus deppeana var. deppeana
• Global Biotic Interactions: Juniperus deppeana var. deppeana
• Global Biotic Interactions: Heteromeles arbutifolia (Lindl.) M. Roemer (toyon)
• Global Biotic Interactions: Heteromeles arbutifolia (Lindl.) M. Roemer (toyon)
• Global Biotic Interactions: Juniperus excelsa (Crimean Juniper)
• Global Biotic Interactions: Heteromeles arbutifolia (Lindl.) M. Roemer (toyon)
• Global Biotic Interactions: Heteromeles arbutifolia (Lindl.) M. Roemer (toyon)
• Global Biotic Interactions: Juniperus deppeana var. deppeana
• Global Biotic Interactions: Crataegus tracyi Ashe (Tracy's hawthorn)
• Global Biotic Interactions: Juniperus deppeana var. deppeana
• Global Biotic Interactions: Heteromeles arbutifolia (Lindl.) M. Roemer (toyon)
• Global Biotic Interactions: Heteromeles arbutifolia (Lindl.) M. Roemer (toyon)
• Global Biotic Interactions: Juniperus excelsa (Crimean Juniper)
• Global Biotic Interactions: Juniperus scopulorum Sarg. (Red-cedar)
• Global Biotic Interactions: Juniperus excelsa (Crimean Juniper)
• Global Biotic Interactions: Heteromeles arbutifolia (Lindl.) M. Roemer (toyon)
• Global Biotic Interactions: Juniperus deppeana var. deppeana
• Global Biotic Interactions: Crataegus cuneata Sieb. & Zucc. (Chinese hawthorn)
• Global Biotic Interactions: Crataegus mollis var. texana (Buckley) Lance (Texas hawthorn)
• Global Biotic Interactions: Heteromeles arbutifolia (Lindl.) M. Roemer (toyon)
• Global Biotic Interactions: Heteromeles arbutifolia (Lindl.) M. Roemer (toyon)
• Global Biotic Interactions: Crataegus crus-galli L. (Cockspur Hawthorn)
• Global Biotic Interactions: Juniperus deppeana var. deppeana
• Global Biotic Interactions: Juniperus deppeana var. deppeana
• Global Biotic Interactions: Juniperus californica Carrière (California Juniper)
• Global Biotic Interactions: Juniperus deppeana var. deppeana
• Global Biotic Interactions: Crataegus crus-galli L. (Cockspur Hawthorn)
• Global Biotic Interactions: Heteromeles arbutifolia (Lindl.) M. Roemer (toyon)
• Global Biotic Interactions: Juniperus ashei var. ashei
• Global Biotic Interactions: Juniperus deppeana var. deppeana
• Global Biotic Interactions: Crataegus crus-galli L. (Cockspur Hawthorn)
• Global Biotic Interactions: Crataegus tracyi Ashe (Tracy's hawthorn)
• Global Biotic Interactions: Heteromeles arbutifolia (Lindl.) M. Roemer (toyon)
• Global Biotic Interactions: Heteromeles arbutifolia (Lindl.) M. Roemer (toyon)
• Global Biotic Interactions: Juniperus deppeana var. deppeana
• Global Biotic Interactions: Juniperus virginiana L. (Eastern Juniper)
• Global Biotic Interactions: Heteromeles arbutifolia (Lindl.) M. Roemer (toyon)
• Global Biotic Interactions: Juniperus californica Carrière (California Juniper)
• Global Biotic Interactions: Juniperus ashei var. ashei
• Global Biotic Interactions: Crataegus viridis L. (green hawthorn)
• Global Biotic Interactions: Crataegus viridis L. (green hawthorn)
• Global Biotic Interactions: Crataegus tracyi Ashe (Tracy's hawthorn)
• Global Biotic Interactions: Crataegus viridis L. (green hawthorn)
• Global Biotic Interactions: Heteromeles arbutifolia (Lindl.) M. Roemer (toyon)
• Global Biotic Interactions: Crataegus viridis L. (green hawthorn)
• Global Biotic Interactions: Juniperus deppeana var. deppeana
• Global Biotic Interactions: Crataegus crus-galli L. (Cockspur Hawthorn)
• Global Biotic Interactions: Juniperus excelsa (Crimean Juniper)
• Global Biotic Interactions: Crataegus crus-galli L. (Cockspur Hawthorn)
• Global Biotic Interactions: Juniperus californica Carrière (California Juniper)
• Global Biotic Interactions: Heteromeles arbutifolia (Lindl.) M. Roemer (toyon)
• Global Biotic Interactions: Crataegus tracyi Ashe (Tracy's hawthorn)
• Global Biotic Interactions: Crataegus crus-galli L. (Cockspur Hawthorn)
• Global Biotic Interactions: Crataegus tracyi Ashe (Tracy's hawthorn)
• Global Biotic Interactions: Juniperus deppeana var. deppeana
• Global Biotic Interactions: Juniperus californica Carrière (California Juniper)
• Global Biotic Interactions: Juniperus californica Carrière (California Juniper)
• Global Biotic Interactions: Crataegus opaca Hook. & Arn. ex Hook. (River-Flat Hawthorn)
• Global Biotic Interactions: Juniperus deppeana var. deppeana
• Global Biotic Interactions: Juniperus virginiana L. (Eastern Juniper)
• Global Biotic Interactions: Crataegus tracyi Ashe (Tracy's hawthorn)
• Global Biotic Interactions: Juniperus deppeana var. deppeana
• Global Biotic Interactions: Crataegus crus-galli L. (Cockspur Hawthorn)
• Global Biotic Interactions: Crataegus monogyna Jacq. (Common Hawthorn)
• Global Biotic Interactions: Crataegus cuneata Sieb. & Zucc. (Chinese hawthorn)
• Global Biotic Interactions: Juniperus deppeana var. deppeana
• Global Biotic Interactions: Juniperus californica Carrière (California Juniper)
• Global Biotic Interactions: Heteromeles arbutifolia (Lindl.) M. Roemer (toyon)
• Global Biotic Interactions: Juniperus deppeana var. deppeana
• Global Biotic Interactions: Crataegus crus-galli L. (Cockspur Hawthorn)
• Global Biotic Interactions: Crataegus tracyi Ashe (Tracy's hawthorn)
• Global Biotic Interactions: Heteromeles arbutifolia (Lindl.) M. Roemer (toyon)
• Global Biotic Interactions: Crataegus crus-galli L. (Cockspur Hawthorn)
• Global Biotic Interactions: Crataegus laevigata (Poir.) DC. (Midland Hawthorn)
• Global Biotic Interactions: Heteromeles arbutifolia (Lindl.) M. Roemer (toyon)
• Global Biotic Interactions: Crataegus crus-galli L. (Cockspur Hawthorn)
• Global Biotic Interactions: Crataegus tracyi Ashe (Tracy's hawthorn)
• Global Biotic Interactions: Crataegus crus-galli L. (Cockspur Hawthorn)
• Global Biotic Interactions: Crataegus submollis Sarg. (Quebec hawthorn)
• Global Biotic Interactions: Gillenia stipulata (Muhl. ex Willd.) Bergmans (American ipecac)
• Global Biotic Interactions: Juniperus virginiana L. (Eastern Juniper)
• Global Biotic Interactions: Crataegus viridis L. (green hawthorn)