Crataegus monogyna, France, dép. Drôme, Séderon © Chris Snyers

gall

The well known mistletoe. At the point of attachment to the host tree a well defined swelling occurs, that formally must be taken as a gall.

host plants

Abies; Acer; Aesculus “carnea”, glabra, hippocastanum, x hybrida, indica, pavia; Alnus glutinosa, incana; Amelanchier ovalis; Betula humilis, nana, pendula, pubescens; Caragana arborescens; Carpinus betulus; Castanea sativa; Cornus alba, mas, ? sanguinea; Corylus; Cotoneaster integerrimus, multiflorus, nummularius, racemiflorus, tomentosus; Crataegus azarolus, crus-galli, laevigata, monogyna, orientalis, tanacetifolia; Cydonia oblonga; Cytisus scoparius (!); Fraxinus pennsylvanica; Gleditsia triacanthos; Ilex aquifolium; Juglans regia; Malus; Mespilus germanica; Picea; Pinus sylvestris; Platanus orientalis; Populus alba, balsamifera, carolinensis, nigra; Prunus dulcis, spinosa; Pyrus communis; Quercus petraea, pubescens, robur; Ribes alpinum, rubrum, uva-crispa; Robinia pseudoacacia; Rosa canina; Salix alba, babylonica, caprea, “x fragilis”, pentandra, triandra, viminalis; Sorbus aria, aucuparia; Tilia; Ulmus

synonyms

On Abies lives the subspecies Viscum album subsp. abietis (Wiesbauer) Janchen. The form on Acer, Aesculus, Alnus etc. is designated by Buhr as var. platyspermum Keller.

references

Buhr (1964b, 1965a), Redfern & Shirley (2011a), Roskam (2019a).