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| English | Spanish |
| hard fescue | festuca durilla Festuca duriuscula |
| hard fescue | barcea Festuca duriuscula |
| hard fescue | cañuela durilla Festuca duriuscula |
| hard-fleshed cherry | cerezo picotero Prunus avium var. duracina |
| hard-fleshed cherry | cerezo garrafal Prunus avium var. duracina |
| hard-fleshed cherry | cerezo costalero Prunus avium var. duracina |
| hard pine | pino de albura Pinus rigida, P. palustris |
| hard pine | pino tea Pinus rigida, P. palustris |
| hard pine | pino resinoso Pinus rigida, P. palustris |
| hard pine | pino bronco Pinus rigida, P. palustris |
| hard pine | pino rígido Pinus rigida, P. palustris |
| hard wheat | trigo fuerte Triticum durum |
| hard wheat | trigo de fuerza Triticum durum |
| hard wheat | trigo moro Triticum durum |
| hard wheat | trigo semolero Triticum durum |
| hard wheat | trigo duro Triticum durum |