preferred_name: FRAXINUS AMERICANA POLLEN 20000 [PNU] in 1 mL / BETULA NIGRA POLLEN 20000 [PNU] in 1 mL / JUGLANS NIGRA POLLEN 20000 [PNU] in 1 mL / POPULUS DELTOIDES POLLEN 20000 [PNU] in 1 mL / ULMUS AMERICANA POLLEN 20000 [PNU] in 1 mL / CARYA OVATA POLLEN 20000 [PNU] in 1 mL / ACER SACCHARUM POLLEN 20000 [PNU] in 1 mL / QUERCUS RUBRA POLLEN 20000 [PNU] in 1 mL / PLATANUS OCCIDENTALIS POLLEN 20000 [PNU] in 1 mL / SALIX NIGRA POLLEN 20000 [PNU] in 1 mL PERCUTANEOUS INJECTION, SOLUTION [Pollens - Trees, Tree Mix 11]