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Verified dichotomous keys, ready to walk step by step.
Guided trail
Start the trailMammals
Group of keys
- Verified Key1
Class Mammalia of Spain
6 orders
Dichotomous key to identify the six orders of mammals of Spain: Lagomorpha (rabbits and hares), Rodentia (rodents), Eulipotyphla (hedgehogs, shrews, moles), Chiroptera (bats), Carnivora (carnivores, including marine species), Artiodactyls (even-toed ungulates and marine species).Start Identification - Verified Key2
Carnivora Order of Spain
16 species
Dichotomous key to identify the wild carnivore species of Spain:Ursus arctos, Lutra lutra, Lynx pardinus, Procyon lotor, Genetta genetta, Felis silvestris, Canis lupus signatus, Vulpes vulpes, Meles meles, Mustela nivalis, Herpestes ichneumon, Martes foina, Martes martes, Mustela lutreola, Neogale vison, Mustela putorius, Mustela furo.Start Identification - Verified Key3
Order Lagomorpha of Spain
5 species
Dichotomous key to identify the species and subspecies of lagomorphs (rabbits and hares) of Spain: Oryctolagus cuniculus, Lepus castroviejoi, Lepus europaeus, Lepus granatensis, Lepus granatensis iturissae.Start Identification - Verified Key4
Orden Artiodactyla de España
8 especies
Start IdentificationClave dicotómica para identificar los artiodáctilos silvestres de España: Sus scrofa, Dama dama, Cervus elaphus, Capreolus capreolus, Rupicapra pyrenaica, Ammotragus lervia, Capra pyrenaica, Ovis orientalis musimon.
Guided trail
Start the trailButterflies
The keys in this collection are chained: finish one and it takes you to the next.
- Verified Key1
Order Lepidoptera of peninsular Spain
Includes 5 families
Bifurcating key to identify the families of diurnal Lepidoptera (Rhopalocera) in mainland Spain: Papilionidae, Hesperiidae, Pieridae, Nymphalidae, Lycaenidae. The family Riodinidae is not included, which has a single species (Hamearis lucina). This key connects to the keys of those families.Start Identification - Verified Key2
Familia Papilionidae de España peninsular
Incluye 6 especies
Clave dicotómica para identificar las seis especies de la família Papilionidae de la España peninsular: Papilio machaon, Iphiclides podalirius, Iphiclides feisthamelii, Parnassius mnemosyne, Zerynthia rumina, Parnassius apolloStart Identification - Verified Key3
Familia Pieridae de España peninsular
Incluye 22 especies
Clave dicotómica para identificar las 22 especies de la família Papilionidae de la España peninsular: Leptidea sinapis, Leptidea reali, Gonepteryx cleopatra, Gonepteryx rhamni, Colias croceus / Colias crocea, Colias alfacariensis, Colias phicomone, Zegris eupheme, Anthocharis cardamines, Anthocharis euphenoides, Aporia crataegi, Euchloe belemia, Pontia daplidice, Pontia callidice, Euchloe bazae, Euchloe crameri, Euchloe tagis, Pieris brassicae, Pieris napi, Pieris ergane, Pieris mannii, Pieris rapaeStart Identification
Mammals
4 keysVerified Key
Class Mammalia of Spain
6 orders
Dichotomous key to identify the six orders of mammals of Spain: Lagomorpha (rabbits and hares), Rodentia (rodents), Eulipotyphla (hedgehogs, shrews, moles), Chiroptera (bats), Carnivora (carnivores, including marine species), Artiodactyls (even-toed ungulates and marine species).
Start IdentificationVerified Key
Carnivora Order of Spain
16 species
Dichotomous key to identify the wild carnivore species of Spain:Ursus arctos, Lutra lutra, Lynx pardinus, Procyon lotor, Genetta genetta, Felis silvestris, Canis lupus signatus, Vulpes vulpes, Meles meles, Mustela nivalis, Herpestes ichneumon, Martes foina, Martes martes, Mustela lutreola, Neogale vison, Mustela putorius, Mustela furo.
Start IdentificationVerified Key
Order Lagomorpha of Spain
5 species
Dichotomous key to identify the species and subspecies of lagomorphs (rabbits and hares) of Spain: Oryctolagus cuniculus, Lepus castroviejoi, Lepus europaeus, Lepus granatensis, Lepus granatensis iturissae.
Start IdentificationVerified Key
Orden Artiodactyla de España
8 especies
Clave dicotómica para identificar los artiodáctilos silvestres de España: Sus scrofa, Dama dama, Cervus elaphus, Capreolus capreolus, Rupicapra pyrenaica, Ammotragus lervia, Capra pyrenaica, Ovis orientalis musimon.
Butterflies
3 keysVerified Key
Order Lepidoptera of peninsular Spain
Includes 5 families
Bifurcating key to identify the families of diurnal Lepidoptera (Rhopalocera) in mainland Spain: Papilionidae, Hesperiidae, Pieridae, Nymphalidae, Lycaenidae. The family Riodinidae is not included, which has a single species (Hamearis lucina). This key connects to the keys of those families.
Start IdentificationVerified Key
Familia Papilionidae de España peninsular
Incluye 6 especies
Clave dicotómica para identificar las seis especies de la família Papilionidae de la España peninsular: Papilio machaon, Iphiclides podalirius, Iphiclides feisthamelii, Parnassius mnemosyne, Zerynthia rumina, Parnassius apollo
Start IdentificationVerified Key
Familia Pieridae de España peninsular
Incluye 22 especies
Clave dicotómica para identificar las 22 especies de la família Papilionidae de la España peninsular: Leptidea sinapis, Leptidea reali, Gonepteryx cleopatra, Gonepteryx rhamni, Colias croceus / Colias crocea, Colias alfacariensis, Colias phicomone, Zegris eupheme, Anthocharis cardamines, Anthocharis euphenoides, Aporia crataegi, Euchloe belemia, Pontia daplidice, Pontia callidice, Euchloe bazae, Euchloe crameri, Euchloe tagis, Pieris brassicae, Pieris napi, Pieris ergane, Pieris mannii, Pieris rapae
Start IdentificationFlora
5 keysVerified Key
Dichotomous key to the genera of carnivorous plants in Spain.
Includes 4 genera
Dichotomous key to identify the four genera of carnivorous plants present in Spain: Drosera, Drosophyllum, Pinguicula, Utricularia.
Verified Key
Dichotomous key to the genus Drosera L. of Europe
Includes 3 species
Dichotomous key to identify the three species of the genus Drosera in Europe: Drosera rotundifolia, Drosera anglica, Drosera intermedia. The natural hybrids D. ×obovata (D. anglica × D. rotundifolia) and D. ×beleziana (D. intermedia × D. rotundifolia) are not included as options in this key; if presented with a plant with intermediate characteristics between two species, consider this possibility before forcing an identification.
Verified Key
Dichotomous key to the genus Drosera L. in Spain
Includes 3 species
Dichotomous key to identify the three species of the genus Drosera in Spain: Drosera rotundifolia, Drosera anglica, Drosera intermedia. The natural hybrids D. ×obovata (D. anglica × D. rotundifolia) and D. ×beleziana (D. intermedia × D. rotundifolia) are not included as options in this key; if faced with a plant with intermediate characteristics between two species, consider this possibility before forcing an identification.
Verified Key
Genus Pinus of peninsular Spain
Includes 5 species
Dichotomous key to identify the five species of the genus Pinus of peninsular Spain: Pinus sylvestris, Pinus pinea, Pinus nigra subsp. salzmannii, Pinus halepensis, Pinus pinaster
Start IdentificationVerified Key
Common Gymnosperms of the Pacific Northwest
Includes 35 species
Pinus contorta, Pinus ponderosa, Pinus jeffreyi, Pinus attenuata, Pinus monticola, Pinus lambertiana, Pinus flexilis, Pinus albicaulis, Larix occidentalis, Cedrus deodara, Cedrus atlantica, Cedrus libani, Sequoiadendron giganteum, Sequoia sempervirens, Picea sitchensis, Picea engelmannii, Picea breweriana, Tsuga mertensiana, Tsuga heterophylla, Pseudotsuga menziesii, Abies grandis, Abies amabilis, Abies procera, Abies magnifica, Abies lasiocarpa, Abies concolor, Taxus brevifolia, Juniperus occidentalis, Juniperus communis, Juniperus scopularum, Calocedrus decurrans, Thuja plicata, Chamaecyparis lawsoniana, Chamaecyparis nootkatensis, Cupressus bakerii.
Source: Oregon State University (oregonstate.edu/trees)
Start IdentificationLoose keys
3 keysVerified Key
Order Testudines (marine)
7 species
Dichotomous key to identify marine species of the order Testudines worldwide: Dermochelys coriacea, Eretmochelys imbricata, Caretta caretta, Chelonia mydas, Natator depressus, Lepidochelys olivacea and Lepidochelys kempii.
Start IdentificationVerified Key
Fílum Porífera
Inclou 7 tàxons: 5 espècies i 2 classes
Clau dicotòmica per identificar els porífers (esponges) de les nostres platges, del projecte "Apropant el mar a les Terres de l'Ebre" (FCT-16-11457): Classe calcarea, Classe hexactinellida, Dysidea avara, Aplysina aerophoba, Haliclona mediterranea, Sarcotragus fasciculatus, Ircinia sp.
Start IdentificationVerified Key
Clase Bivalvia de America del Norte
Incluye 159 géneros (1 pendiente de verificar contra la fuente original)
Clave dicotómica para identificar los géneros de bivalvos de la costa oeste de Norteamérica. Traducción al español de Marine Molluscan Genera of Western North America (Myra Keen, 1963).
Start Identification