-
By: Cowan, Richard S., - Gunn, Charles R. - Lackey, James Andrew - Kirkbride, Joseph H., Jr. - Wiersema, John Harry - Polhill, Roger Marcus - Mackinder, Barbara Ann - Rico-Arce, Maria de Lourdes,Edition:Publication info: Kew, Royal Botanic Gardens, Kew, 1999-2014Volume: no.1 (1975:May)Series:Holding Institution: Royal Botanic Gardens Kew, Library, Art & ArchivesSubjects:BHL Collections:
-
By: Robson, Diana Bizecki - Wiersema, John Harry - Hellquist, C Barre - Borsch, ThomasType: ArticleIn: The Canadian field-naturalistVolume: 130Series:Issue: 1Date: 2016-01-01Page Range: 25--31Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
-
By: Wiersema, John HarryType: ArticleIn: SIDA, contributions to botanyVolume: 9Series:Issue:Date: 1982Page Range: 230--234Publication Info: [Dallas W. F. Mahler, etc.] 1962-Subjects:
-
By: Wiersema, John HarryType: ArticleIn: SIDA, contributions to botanyVolume: 10Series:Issue:Date: 1984Page Range: 195--198Publication Info: [Dallas W. F. Mahler, etc.] 1962-Subjects:
-
By: Wiersema, John Harry - Hellquist, C BType: ArticleIn: RhodoraVolume: 96Series:Issue:Date: 1994Page Range: 170--178Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]Subjects:
-
By: Ritter, Nur - Wiersema, John Harry - Crow, Garrett E.Type: ArticleIn: RhodoraVolume: 103Series:Issue:Date: 2001Page Range: 326--331Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]Subjects:
-
By: Borsch, Thomas - Loehne, Cornelia - Mbaye, Mame - Wiersema, John HarryType: ArticleIn: Telopea: Journal of plant systematicsVolume: 13Series:Issue: 1-2Date: 2011-02-16Page Range: 193--217Publication Info: Sydney Royal Botanic Garden Sydney 2012-Subjects:
-
By: Novelo Retana, Alejandro. - Wiersema, John HarryType: ArticleIn: Acta Botánica MexicanaVolume: 51Series:Issue:Date: 2000Page Range: 53--60Publication Info: México, Instituto de Ecología, A C, 1988-Subjects: