"Kentucky Native Plant Society. Scanned by Omnitek Inc."   cc-by-nc-sa-3.0

تحتوي موسوعة الحياة على بيانات عن 69 سمات، بما فيها:

Known occurrences, collected specimens and observations of Tilia americana var. heterophylla (Vent.) Loudon. View this species on GBIF
"Kentucky Native Plant Society. Scanned by Omnitek Inc."   cc-by-nc-sa-3.0