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sunlight, moisture and pH calculation; county geography is an additional layer. Missing source traits remain unknown.","fit_provenance":{"counties":"USDA PLANTS: recorded in 32 NC counties","light":"NC Extension Plant Toolbox","moisture":"NC Extension Plant Toolbox"},"garden_suitability":{"default_excluded":false,"flags":[],"review_status":"not_assessed"},"invasive_rank":false,"native_eligible":true,"quercus_score":48,"state":"KY"},"garden_suitability":{"default_excluded":false,"flags":[],"review_status":"not_assessed"},"growing_observations":{"ncsu_sitemap":{"matched_name":"Elymus hystrix","retrieved":"2026-10-04T02:34:55.857824+00:00","scope":{"kind":"unspecified"},"scope_note":"Source-reported species characteristics; not a location-specific estimate.","source_label":"NC Extension Plant Toolbox","source_sha256":"78a0f83bab79606d2cd6ecff353af89c725f4f8b206c95f20b2911c4cd8ad678","source_url":"https://plants.ces.ncsu.edu/plants/elymus-hystrix/","trait_evidence":[{"expected_source_name":"Elymus hystrix","field":"moisture_categories","original_field":"soil_moisture","record_id":"trait:1cd1e9e12582abdd6640656310df273a0f24325eac2ae14a783c0f4269cae5cb","retrieved_at":"2026-10-04T02:34:55.857824+00:00","scope":{"kind":"unspecified"},"scope_note":"Species profile; 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