Media type: E-Article Title: Differentiating characteristics between Melampsoridium rusts infecting birch and alder leaves Contributor: Kurkela, Timo; Hanso, Märt; Hantula, Jarkko Published: Informa UK Limited, 1999 Published in: Mycologia, 91 (1999) 6, Seite 987-992 Language: English DOI: 10.1080/00275514.1999.12061108 ISSN: 0027-5514; 1557-2536 Origination: Footnote: