| Subject | English | Spanish |
| environ. | Atlantic salt marshes and salt meadows | marismas y pastizales salinos atlánticos |
| nat.sc., agric. | blue marsh vetchling | lathyrus paluster (Lathyrus palustris L.) |
| bot. | blue marsh vetchling | guija de pantano Lathyrus paluster |
| geogr. | coastal marsh | marisma |
| earth.sc. | coastal marsh | marisma costera |
| life.sc., agric. | diked marsh | pólder |
| environ. | draining of marshes | desecación de pantanos |
| ichtyol. | equilateral marsh clam | guacuco de marjal Polymesoda aequilatera |
| nat.res. | Eurasian marsh-harrier | aguilucho lagunero (Circus aeruginosus) |
| nat.res. | European marsh harrier | aguilucho lagunero (Circus aeruginosus) |
| gen. | frog marsh | ranero |
| environ. | juvenil marsh | suelo litoral reciente |
| environ. | marine marsh | tierras bañadas por la marea |
| nat.sc., agric. | marsh bird's foot trefoil | loto cenagoso (Lotus pedunculatus Auct.non Cav., Lotus pendunculatus, Lotus uliginosus Schkuhr, Lotus uliginosus) |
| nat.sc., agric. | marsh bird's foot trefoil | loto de los pantanos (Lotus pedunculatus Auct.non Cav., Lotus pendunculatus, Lotus uliginosus Schkuhr, Lotus uliginosus) |
| bot. | marsh bird's foot trefoil | loto de los pantanos Lotus uliginosus Schk. |
| bot. | marsh birdsfoot trefoil | cuernecillo de los pantanos Lotus pedunculatus |
| nat.sc., agric. | marsh buckbean | menianto (Menyanthes trifoliata) |
| nat.sc., agric. | marsh buckbean | trébol de agua (Menyanthes trifoliata) |
| entomol. | marsh crane fly | gusano de cuero Tipula paludosa |
| entomol. | marsh crane fly | típula de los prados Tipula paludosa |
| environ., nat.res. | marsh crocodile | cocodrilo de Marjal (močvirski krokodil) |
| environ., nat.res. | marsh deer | ciervo de Marjal (Blastocerus dichotomus) |
| nat.sc., nat.res., agric. | marsh deer | ciervo de marjal (Blastocerus dichotomus, Odocoileus (Blastocerus) dichotomus, Odocoileus (Odocoileus) dichotomus) |
| agric. | marsh deervetch | loto cenagoso (Lotus uliginosus) |
| agric. | marsh deervetch | loto de los pantanos (Lotus uliginosus) |
| water.res. | marsh drainage | saneamiento de pantanales |
| agric., construct. | marsh drainage | desecación de terrenos pantanosos |
| agric. | marsh earth | tierra de terrenos pantanosos |
| med. | marsh fever | fiebre de los pantanos |
| med. | marsh fever | leptospirosis gripotifosa |
| nat.sc., agric. | marsh foxtail | alopecuro geniculado (Alopecurus geniculatus) |
| bot. | marsh foxtail | alopécuro nudoso Alopecurus geniculatus |
| dril. | marsh funnel | viscosímetro de marsh |
| dril. | marsh funnel viscosity | viscosidad marsh |
| chem. | marsh gas | metano |
| chem. | marsh gas | gas de pantano |
| chem. | marsh gas | gas de los pantanos |
| nat.res. | marsh harrier | aguilucho lagunero (Circus aeruginosus) |
| nat.res. | marsh hawk | aguilucho pálido (Circus cyaneus) |
| agric. | marsh hog's fennel | imperatoria (Imperatoria osthrutium) |
| nat.res. | marsh horsetail | equiseto (Equisetum palustre) |
| nat.res. | marsh horsetail | cola de caballo (Equisetum palustre) |
| nat.res. | marsh horsetail | cola de rata (Equisetum palustre) |
| agric. | marsh horsetail | esquiseto (Equisetum palustre) |
| life.sc. | marsh land | terreno pantanoso |
| nat.res., food.ind. | marsh-mallow | malvavisco (Althaea officinalis) |
| agric. | marsh mallow | malvavisco (Althaea officinalis) |
| nat.res. | marsh marigold | calta (Caltha palustris) |
| nat.res. | marsh marigold | hierba centella (Caltha palustris) |
| agric. | marsh-marigold | souci d'eau (Caltha palustris) |
| agric. | marsh-marigold | calta palustre (Caltha palustris) |
| agric. | marsh-marigold | hierba centella (Caltha palustris) |
| agric. | marsh marigold | souci d'eau (Caltha palustris) |
| agric. | marsh marigold | populage (Caltha palustris) |
| agric. | marsh-marigold | populage (Caltha palustris) |
| agric. | marsh marigold | calta palustre (Caltha palustris) |
| agric. | marsh-marigold | calta (Caltha palustris) |
| agric. | marsh meadow grass | poa de los pantanos (Poa palustris) |
| nat.sc., agric. | marsh pea | lathyrus paluster (Lathyrus palustris L.) |
| nat.sc., agric. | marsh pea-vine | lathyrus paluster (Lathyrus palustris L.) |
| nat.res. | marsh pepper smartweed | pimienta de agua (Polygonum hydropiper) |
| nat.sc., agric. | marsh pilewort | celidonia menor (Ficaria verna Huds.) |
| nat.sc., agric. | marsh plant | helofito (helphyti) |
| environ. | marsh plant | helófito |
| environ. | marsh plant | planta de las marismas |
| environ. | marsh plant | planta palustre |
| agric. | marsh plants | helófitos |
| agric. | marsh plants | platas palustres |
| nat.sc., agric. | marsh rose | rosa de marisma (Orothamnus zeyheri) |
| chem. | Marsh's arsenic test | prueba de arsénico de Marsh |
| chem. | Marsh's test | reacción de Marsh |
| nat.sc. | marsh sandpiper | archibebe fino (Tringa stagnatilis) |
| nat.sc., agric. | marsh slug | pequena limacido de la lechuga (Deroceras laeve) |
| nat.sc., agric. | marsh slug | pequena limacido del helecho (Deroceras laeve) |
| life.sc. | marsh swamp in river flats | marjal |
| life.sc. | marsh swamp in river flats | marisma fluvial |
| nat.sc., agric. | marsh thistle | cirsio palustre (Cirsium palustre) |
| nat.res. | marsh tit | carbonero palustre (Parus palustris, Poecile palustris) |
| nat.sc., agric. | marsh trefoil | trébol de agua (Menyanthes trifoliata) |
| nat.sc., agric. | marsh trefoil | menianto (Menyanthes trifoliata) |
| bot. | marsh trefoil | trébol de agua Menyanthes trifoliata |
| bot. | marsh trefoil | trébol de pantano Menyanthes trifoliata |
| nat.res. | marsh warbler | carricero políglota (Acrocephalus palustris) |
| life.sc., agric. | new marsh | pólder |
| environ. | Pannonic salt marsh | marisma salina panónica |
| life.sc., agric. | reclaimed marsh soil | terreno bajo |
| environ. | river marsh | marisma fluvial |
| environ. | river marsh | marjal |
| environ. | river marsh | llanura aluvial |
| anim.husb. | Romney Marsh | raza Kent |
| anim.husb. | Romney Marsh | raza Romney Marsh |
| textile | Romney Marsh wool | lana de Romney Marsh |
| food.ind. | salt from salt marshes or springs | sal de salina |
| earth.sc. | salt marsh | marisma salada |
| meteorol. | salt marsh | salina |
| UN | salt marsh | marisma |
| geogr. | salt marsh | pantano de marea |
| environ. | salt marsh | pantano salado |
| environ. | salt marsh Areas of brackish, shallow water usually found in coastal areas and in deltas. There are also inland marshes in arid areas where the water has a high salt level because of evaporation. They are environmentally delicate areas, extremely vulnerable to pollution by industrial or agricultural chemicals, or to thermal pollution, which often results when river water has been used as the coolant in power stations and industrial plants | pantano salado |
| agric. | salt marsh | pradera de campo salitroso |
| nat.sc., agric. | salt-marsh caterpillar | gusano peludo (Estigmene acrea) |
| UN | salt water marsh | marisma |
| water.res. | sea marsh | marisma marina |
| ichtyol. | slender marsh clam | guacuco de marjal esbelto Polymesoda arctata |
| water.res. | tidal marsh | marisma de marea |
| geogr. | tidal marsh | pantano de marea |
| meteorol. | tidal marsh | marisma litoral |
| geogr. | tidal marsh | marisma |
| agric. | tidal marsh | tierras bañadas por la marea |
| nat.res. | Western marsh-harrier | aguilucho lagunero (Circus aeruginosus) |
| environ. | young marsh | suelo litoral reciente |