Table 2 The homologous groups suggested by the EMA [28] and Lorenz et al. [29]
From: Management of the polyallergic patient with allergy immunotherapy: a practice-based approach
Homologous groups | No homologous groups | ||
|---|---|---|---|
Tree pollen | Â | ||
 1. Suggested homologous group: birch/fagales | Non-grouped species: justification for mixing required | ||
  Betula verrucosa = B. pendula* = B. alba | European white birch | Fagus sylvatica | European beech |
  Alnus glutinosa | Alder | Acer sp. | Maple |
 Carpinus betulus | Hornbeam | Platanus sp. | Plane tree |
  Corylus avellana | Hazel | Populus sp. | Poplar |
  Quercus alba | Oak | Robinia pseudoacacia | False acacia, locust tree |
  Castanea sativa | Sweet chestnut | Salix sp. | Sallow/willow |
Tilia sp. | Lime | ||
Ulmus sp. | Elm | ||
Cryptomeria japonica | Japanese cedar | ||
 2. Suggested homologous group: Oleaceae |  |  | |
  Olea europaea | Olive | ||
  Fraxinus excelsior | Ash | ||
  Ligustrum vulgare | Privet | ||
  Syringa vulgaris | Lilac | ||
 3. Suggested homologous group: Cupressaceae | |||
  Juniperus sp. | Juniper | ||
  Cupressus sp. | Cypress | ||
Grass and cereal pollen | |||
 4. Suggested homologous group: sweet grasses, the Poaceae (Gramineae) family, Pooideae subfamily | Non-grouped species: justification for mixing required | ||
  Anthoxanthum odoratum | Sweet vernal grass | Cynodon dactylon | Bermuda grass |
  Avena sativa | Oat | Cynosurus cristatus | Dogstail |
  Dactylis glomerata | Orchard grass/cocksfoot |  |  |
  Festuca sp. | Meadow fescue | ||
  Holcus lanatus | Velvet grass/Yorkshire fog | ||
  Hordeum vulgare | Barley | ||
  Lolium perenne | Perennial ryegrass | ||
  Phleum pratense | Timothy grass | ||
  Poa pratensis | Kentucky bluegrass | ||
  Secale cereale | Cultivated rye | ||
  Triticum aestivum | Cultivated wheat | ||
 Additional Pooideae grass species, with reservations: | |||
  Agropyron sp. | Couch grass/crested wheatgrass | ||
  Agrostis sp. | Bent grass | ||
  Alopecurus pratensis | Meadow foxtail | ||
  Arrhenatherum elatius | False oat | ||
  Bromus sp. | Brome grass | ||
Weed pollen | |||
 5. Suggested homologous group: weed pollen species | Non-grouped species: justification for mixing required | ||
  Ambrosia artemisiifolia, Ambrosia trifida | Ragweed | Plantago sp. | Plantain |
  Artemisia vulgaris | Mugwort |  |  |
  Parietaria judaica, Parietaria officinalis | Pellitory | ||
MITES | |||
 6. Suggested homologous group: house dust mites of the Dermatophagoides genus | Non-grouped species: justification for mixing required | ||
  Dermatophagoides pteronyssinus | European house dust mite | Acarus siro | Flour mite |
  Dermatophagoides farinae | American house dust mite | Glycyphagus domesticus | House mite |
| Â | Lepidoglyphus destructor | Storage mite | |
Thyreophagus entomophagus | Flour mite | ||
Tyrophagus putrescentiae | Storage mite | ||
Insect venoms | Non-grouped species: justification for mixing required | ||
 No homologous groups | All species | ||
Allergen extracts derived from vertebrates (extracts such as animal epithelia, hair, dander) | Non-grouped species: justification for mixing required | ||
 No homologous groups | Canis familiaris | Dog | |
Felis domesticus | Cat | ||
Cavia porcellus | Guinea pig | ||
Cricetus cricetus | Hamster | ||
Equus caballus | Horse | ||
Mus musculus | Mouse | ||
Oryctolagus cuniculus | Rabbit | ||
Rattus sp. | Rat | ||
Moulds | Non-grouped species: justification for mixing required | ||
All species | |||
 No homologous groups | In case of justification of grouping of mould species, special emphasis on similar stability is necessary | ||