BioImages: The Virtual Field-Guide (UK)

Crataegus laevigata (Poiret) DC. (Midland Hawthorn)

Records (and photo sets)

Taxon	Summary	Date	Vice-county	Country
Crataegus laevigata	Plant	5 May 2002	Oxon	England	9	20

Suggested Literature

Crataegus laevigata may be covered by literature listed under:

Feeding and other inter-species relationships

Associated with Crataegus laevigata:

		is parasitised by	Podosphaera clandestina var. clandestina - Hawthorn Mildew (Erysiphales: Erysiphaceae)		Ing, B., 1990
	fruit (live)	live fruit is galled by aecium	Gymnosporangium clavariiforme - a rust fungus (Uredinales: Pucciniaceae)		Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005 Ellis, M.B. & J.P., 1997 [causing orange or reddish-brown swellings up to 2cm long]
	fruit (live)	live fruit is galled by pycnium	Gymnosporangium clavariiforme - a rust fungus (Uredinales: Pucciniaceae)		Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005 Ellis, M.B. & J.P., 1997 [causing orange or reddish-brown swellings up to 2cm long]
	fruit	fruit may contain larva	Anomoia purmunda - a gall fly (Diptera: Tephritidae)		White, I.M., 1988
	leaf (live)	live leaf is galled by pycnium	Gymnosporangium clavariiforme - a rust fungus (Uredinales: Pucciniaceae)		Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005 Stubbs, F.B. (Editor), 1986 Ellis, M.B. & J.P., 1997 [causing orange or reddish-brown swellings up to 2cm long]
	leaf (live)	live leaf is galled by mainly hypophyllous aecium	Gymnosporangium confusum - a rust fungus (Uredinales: Pucciniaceae)		Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005 Ellis, M.B. & J.P., 1997 [causing thickened brownish spots with yellow margins]
	leaf (live)	live leaf is galled by mainly hypophyllous pycnium	Gymnosporangium confusum - a rust fungus (Uredinales: Pucciniaceae)		Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005 Ellis, M.B. & J.P., 1997 [causing thickened brownish spots with yellow margins]
	leaf vein (live)	live leaf vein is galled by hypophyllous aecium	Gymnosporangium clavariiforme - a rust fungus (Uredinales: Pucciniaceae)		Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005 Stubbs, F.B. (Editor), 1986 Ellis, M.B. & J.P., 1997 [causing orange or reddish-brown swellings up to 2cm long]
	stem (live)	live stem is galled by aecium	Gymnosporangium clavariiforme - a rust fungus (Uredinales: Pucciniaceae)		Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005 Stubbs, F.B. (Editor), 1986 Ellis, M.B. & J.P., 1997 [causing orange or reddish-brown swellings up to 2cm long]
	stem (live)	live stem is galled by pycnium	Gymnosporangium clavariiforme - a rust fungus (Uredinales: Pucciniaceae)		Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005 Stubbs, F.B. (Editor), 1986 Ellis, M.B. & J.P., 1997 [causing orange or reddish-brown swellings up to 2cm long]

Crataegus laevigata may be associated with more taxa listed at higher taxonomic level

References