| English | Spanish |
| California yellow pine | pino amarillo Pinus ponderosa |
| California yellow pine | pino ponderosa Pinus ponderosa |
| Canadian yellow birch | abedul amarillo canadiense Betula lutea |
| for leaves to turn yellow | amarillar |
| for leaves to turn yellow | alimonarse |
| great yellow foxglove | digital de flores grandes Digitalis grandiflora |
| slender yellow trefoil | trébol filiforme Trifolium filiforme |
| Southern yellow pine | pino palustre Pinus palustris, Pinus australis |
| Southern yellow pine | pino bronco Pinus rigida, P. palustris |
| Southern yellow pine | pino resinoso Pinus rigida, P. palustris |
| Southern yellow pine | pino de albura Pinus rigida, P. palustris |
| Southern yellow pine | pino rígido Pinus rigida, P. palustris |
| Southern yellow pine | pino tea Pinus palustris, Pinus australis |
| Western yellow pine | pino amarillo Pinus ponderosa |
| Western yellow pine | pino ponderosa Pinus ponderosa |
| yellow alfalfa | alfalfa sueca Medicago falcata |
| yellow alfalfa | alfalfa de flor amarilla Medicago falcata |
| yellow barked oak | encina tintorial Quercus tinctoria, Quercus velutina |
| yellow barked oak | quercitrón Quercus tinctoria, Quercus velutina |
| yellow barked oak | roble quercitrón Quercus tinctoria, Quercus velutina |
| yellow barked oak | roble rojo americano Quercus tinctoria, Quercus velutina |
| yellow bedstraw | cuajaleche Galium vernum |
| yellow beet | remolacha amarilla Beta vulgaris var. lutea |
| yellow birch | abedul amarillo canadiense Betula lutea |
| yellow cedar | enebro amarillo Juniperus occidentalis |
| yellow gentian | genciana mayor Gentiana lutea |
| yellow gentian | genciana amarilla Gentiana lutea |
| yellow goats beard | barbón Tragopogon pratensis |
| yellow goats beard | barba cabruna Tragopogon pratensis |
| yellow-green algae | algas verdeamarillentas Xanthophyceae |
| yellow-green algae | xantofíceas Xanthophyceae |
| yellow lupine | altramuz amarillo Lupinus luteus |
| yellow melilot | meliloto amarillo Melilotus officinalis |
| yellow mombin | ambarella Spondias lutea, S. dulcis |
| yellow mombin | jocote Spondias lutea, S. dulcis |
| yellow mombin | ciruelo campechano Spondias lutea, S. dulcis |
| yellow mombin | abalá Spondias lutea, S. dulcis |
| yellow mombin | mombín Spondias lutea, S. dulcis |
| yellow mombin | jobo Spondias lutea, S. dulcis |
| yellow mustard | mostaza blanca Sinapis alba, Brassica alba, Brassica hirta |
| yellow nutsedge | chufa Cyperus esculentus |
| yellow nutsedge | chufa salvaje Cyperus esculentus |
| yellow nutsedge | coquito amarillo Cyperus esculentus |
| yellow nutsedge | cotufa Cyperus esculentus |
| yellow poplar | tulipero de Virginia Liriodendron tulipifera |
| yellow poplar | tulipero Liriodendron tulipifera |
| yellow rocket | hierba de los carpinteros Barbarea vulgaris |
| yellow rocket | hierba de Santa Bárbara Barbarea vulgaris |
| yellow root | raíz de oro Hydrastis canadensis |
| yellow root | raíz amarilla Hydrastis canadensis |
| yellow root | sello de oro Hydrastis canadensis |
| yellow root | hidrastis Hydrastis canadensis |
| yellow sand verbena | abronia Abronia latifolia, A. arenaria |
| yellow sapote | zapote borracho Lucuma salicifolia |
| yellow sweet clover | meliloto amarillo Melilotus officinalis |
| yellow tang | fuco de nudos Ascophyllum nodosum |
| yellow trefoil | alfalfa lupulina Medicago lupulina |
| yellow trefoil | lupulina Medicago lupulina |
| yellow vetchling | guija de prado Lathyrus pratensis |
