advPlantNameSearch.do?find_genus=Ulmus&output_format=normal&back_page=plantsearch&find_rankToReturn=all&query_type=by_query&find_isAPNIRecord=on&find_publicationTitle=&find_includePublicationAuthors=on&find_species=americana&find_isIKRecord=on&find_sortByFamily=on&find_includeBasionymAuthors=on&find_isGCIRecord=on&find_authorAbbrev=&find_infraspecies=

advPlantNameSearch.do?find_genus=Ulmus&output_format=normal&back_page=plantsearch&find_rankToReturn=all&query_type=by_query&find_isAPNIRecord=on&find_publicationTitle=&find_includePublicationAuthors=on&find_species=americana&find_isIKRecord=on&find_sortByFamily=on&find_includeBasionymAuthors=on&find_isGCIRecord=on&find_authorAbbrev=&find_infraspecies=

http://www.ipni.org/ipni/advPlantNameSearch.do?find_genus=Ulmus&output_format=normal&back_page=plantsearch&find_rankToReturn=all&query_type=by_query&find_isAPNIRecord=on&find_publicationTitle=&find_includePublicationAuthors=on&find_species=americana&find_isIKRecord=on&find_sortByFamily=on&find_includeBasionymAuthors=on&find_isGCIRecord=on&find_authorAbbrev=&find_infraspecies=
Ulmus americana
Link from a Wikipage to an external page

advPlantNameSearch.do?find_genus=Ulmus&output_format=normal&back_page=plantsearch&find_rankToReturn=all&query_type=by_query&find_isAPNIRecord=on&find_publicationTitle=&find_includePublicationAuthors=on&find_species=americana&find_isIKRecord=on&find_sortByFamily=on&find_includeBasionymAuthors=on&find_isGCIRecord=on&find_authorAbbrev=&find_infraspecies=

http://www.ipni.org/ipni/advPlantNameSearch.do?find_genus=Ulmus&output_format=normal&back_page=plantsearch&find_rankToReturn=all&query_type=by_query&find_isAPNIRecord=on&find_publicationTitle=&find_includePublicationAuthors=on&find_species=americana&find_isIKRecord=on&find_sortByFamily=on&find_includeBasionymAuthors=on&find_isGCIRecord=on&find_authorAbbrev=&find_infraspecies=