preferred_name: ULMUS AMERICANA POLLEN 1818.1818 [PNU] in 1 mL / PLATANUS OCCIDENTALIS POLLEN 1818.1818 [PNU] in 1 mL / JUGLANS NIGRA POLLEN 1818.1818 [PNU] in 1 mL / SALIX NIGRA POLLEN 1818.1818 [PNU] in 1 mL / FAGUS GRANDIFOLIA POLLEN 1818.1818 [PNU] in 1 mL / POPULUS DELTOIDES POLLEN 1818.1818 [PNU] in 1 mL / ACER SACCHARUM POLLEN 1818.1818 [PNU] in 1 mL / QUERCUS RUBRA POLLEN 1818.1818 [PNU] in 1 mL / CARYA OVATA POLLEN 1818.1818 [PNU] in 1 mL / FRAXINUS AMERICANA POLLEN 1818.1818 [PNU] in 1 mL / BETULA NIGRA POLLEN 1818.1818 [PNU] in 1 mL INTRADERMAL SOLUTION [11 Tree Pollen Mix]