| Allergen | Species - Scientific Name | Species - Common Name | Allergen Type | Allergen Description | Class |
| Jug n 1 | Juglans nigra | black walnut | foods | 2S albumin; Seed storage protein
| IUIS |
| Jug n 2 | Juglans nigra | black walnut | foods | vicilin-like protein
| IUIS |
| Jug r 1 | Juglans regia | English walnut | foods | 2S albumin
| IUIS |
| Jug r 2 | Juglans regia | English walnut | foods | vicilin
| IUIS |
| Jug r 3 | Juglans regia | English walnut | foods | lipid transfer protein
| IUIS |
| Jug r 4 | Juglans regia | English walnut | foods | 11S globulin seed storage protein | IUIS |
| Jug r 4.0101 | Juglans regia | English walnut | foods | 11S globulin seed storage protein | IUIS |
| Jun a 1 | Juniperus ashei | mountain cedar | tree Pinales | Pectate lyase | IUIS |
| Jun a 1.010101 | Juniperus ashei | mountain cedar | tree Pinales | Pectate lyase | IUIS |
| Jun a 1.010102 | Juniperus ashei | mountain cedar | tree Pinales | Pectate lyase | IUIS |
| Jun a 2 | Juniperus ashei | mountain cedar | tree Pinales | Pollen allergen
| IUIS |
| Jun a 3 | Juniperus ashei | mountain cedar | tree Pinales | homolog: pathogenesis related protein PR5
| IUIS |
| Jun o 1 | Juniperus oxycedrus | prickly juniper | tree Pinales | pectate lyase
| non-IUIS |
| Jun o 2 | Juniperus oxycedrus | prickly juniper | tree Pinales | new name: Jun o 4; Polcalcin; Calcium-binding pollen allergen
| non-IUIS |
| Jun o 4 | Juniperus oxycedrus | prickly juniper | tree Pinales | homolog: calmodulin; old name: Jun o 2; Calcium-binding pollen allergen; Polcalc | IUIS |
| Jun s 1 | Juniperus sabinoides | mountain cedar | tree Pinales | N
| IUIS |
| Jun v 1 | Juniperus virginiana | eastern red cedar | tree Pinales | Highly homologous to other cedar pollens | IUIS |
| Jun v 1.0101 | Juniperus virginiana | eastern red cedar | tree Pinales | Highly homologous to other cedar pollens | IUIS |
| Jun v 1.0102 | Juniperus virginiana | eastern red cedar | tree Pinales | Highly homologous to other cedar pollens | IUIS |
| Jun v 3 | Juniperus virginiana | eastern red cedar | tree Pinales | Thaumatin-like protein | IUIS |
| Jun v 3.010101 | Juniperus virginiana | eastern red cedar | tree Pinales | Thaumatin-like protein | IUIS |
| Jun v 3.010102 | Juniperus virginiana | eastern red cedar | tree Pinales | Thaumatin-like protein | IUIS |
