DANGEROUS INTERNATIONAL FOREST TREE DISEASES 43 



Host, family, and genus Pathogen Symptoms Continents 

 Eleagnaceae: 



Eleagnus Phymatotrichum omnivorum. Rootrot__ N.A. 



Ericaceae: 



Arctostaphylos Chrysomyxa arctostaphyli . _ Leaf rust.- Do. 



Fagaceae: 



Castanea Ceratocystis Jagacearum Wilt Do. 



Cronartium Jusijorme Leaf rust.- Do. 



C. quercuum do Do. 



Helicobasidium mompa Root rot.- Asia. 



Pseudomonas castaneae Blight Do. 



Strumella coryneoidea Canker N.A. 



Castanopsis Ceratocystis fagacearum Wilt Do. 



Cronartiumfusijorme Leafrust.. Do. 



Fagus Strumella coryneoidea Canker Do. 



Lithocarpus Ceratocystis fagacearum Wilt Do. 



Cronartiumfusijorme Leaf rust __ Do. 



Quercus Ceratocystis jagacearum Wilt Do. 



Clitocybe tabescens Root rot. _ Do. 



Cronartium jusijorme Leaf rust. _ Do. 



C. quercuum __do Do. 



Helicobasidium mompa Root rot__ Asia. 



Strumella coryneoidea Canker N.A. 



Gentianaceae: 



Gentiana Cronartium Jlaccidum Leaf rust. _ Asia, Eur. 



Ginkoaceae: 



Ginko Helicobasidium mom-pa Root rot__ Asia. 



Hamamelidaceae: 



Liquidambar Clitocybe tabescens __do N.A. 



Hippocastanaceae: 



Aesculus.- Guignardia aesculi Leaf blotch Eur., N.A. 



Juglandaceae: 



Carya Clitocybe tabescens Root rot __ N.A. 



Strumella coryneoidea Canker Do. 



Juglans Helicobasidium mompa Root rot __ Asia 



Phymatotrichum omnivorum. do N.A. 



Platycarya Helicobasidium mompa do Asia 



Leguminosae: 



Acacia Clitocybe tabescens do N.A. 



Fomes badius Heart rot__ Asia 



Glomerella acaciae Anthracnose. Do. 



Albizzia Clitocybe tabescens Root rot _ _ N.A. 



Caragana Phymatotrichum omnivorum. do Do. 



Cercis Helicobasidium mompa do Asia 



Dalbergia Fusarium solani Wilt Do. 



Gleditsia Chlorogenus robiniae Virus N.A. 



Phymatotrichum omnivorum.. Root rot- _ Do. 



Gymnocladus do do Do. 



Robinia Chlorogenus robiniae Virus Do. 



Helicobasidium mompa Root rot __ Asia 



Phymatotrichum omnivorum. do N.A. 



Liliaceae: 



Allium Melampsoraallii-populina.. Leafrust.- Eur. 



Loascaceae: 



Grammatocarpus Cronartium Jlaccidum do Asia, Eur. 



Loasa do do Do. 



Magnoliaceae: 



Liriodendron Helicobasidium mompa Root rot. . Asia 



Moraceae: 



Broussonetia do do Do. 



Ficus Clitocybe tabescens do N.A. 



Helicobasidium mompa do Asia 



Madura Phymatotrichum omnivorum do N.A. 



Moms Helicobasidium mompa do Asia 



Phymatotrichum omnivorum do N.A. 



Myrtaceae: 



Eucalyptus Clitocybe tabescens do Do. 



Oleaceae: 



Fraxinus Pseudomonas fraxini Canker Eur. 



Phymatotrichum omnivorum Root rot.. N.A. 



687-137 O— 63 4 



