| Alnus glutinosa | GB, VC40 Shropshire, Sutton Cultivated | Richard de Gylpyn Benson | | 18/6/1891 | SHYB |
| Alnus glutinosa | GB, VC46 Cardiganshire, River Aeron | Martha Maria Atwood | | 3/1836 | BIRM |
| Alnus glutinosa | GB, VC63 South-west Yorkshire, Bingley | William West | George Stephen West William West | 6/1903 | BIRM |
| Alnus glutinosa var. incisa | GB, VC63 South-west Yorkshire, Pontefract | William West | George Stephen West William West | 7/1906 | BIRM |
| Alnus glutinosa | GB, VC63,VC64, Saltaire | William West | George Stephen West | 1878 | BIRM |
| Alnus glutinosa | GB, VC70 Cumberland, Calvo | Charles Bailey | Charles Bailey | 28/9/1890 | BIRM |
| Alnus glutinosa subsp. glutinosa | GB, VC21 Middlesex, Hampstead Heath | Charles Avery | | 15/8/1941 | SLBI |
| Alnus glutinosa subsp. glutinosa | GB, VC73 Kirkcudbrightshire, Galloway | | | | SLBI |
| Alnus incana | GB, VC20 Hertfordshire, Hitchin | Joseph Edward Little | Watson Botanical Exchange Club Joseph Edward Little | 28/7/1922 | SLBI |
| Alnus incana | GB, VC20 Hertfordshire, Hitchin | Joseph Edward Little | | 2/1922 | SLBI |
| Alnus incana | GB, VC20 Hertfordshire, Hitchin | Joseph Edward Little | Watson Botanical Exchange Club Harold Stuart Thompson | 28/7/1922 | BIRM |
| Alnus incana | GB, VC38 Warwickshire, Edgbaston | C R Sladden | Flora of Warwickshire Voucher Specimen | 4/10/1973 | BIRM |
| Alnus incana | GB, VC62 North-east Yorkshire, Kepwick | Catherine Muriel Rob | Catherine Muriel Rob | 13/7/1939 | SLBI |
| Alnus incana | GB, VC62 North-east Yorkshire, Thirsk | Douglas Montague Heath | Douglas Montague Heath | 13/7/1939 | BIRM |
| Alnus incana | GB, VC62 North-east Yorkshire, Thirsk | Douglas Montague Heath | | 13/7/1939 | BIRM |
| Alnus incana | GB, VC69 Westmorland, Arnside | William Harold Pearsall | Harold Stuart Thompson | 16/8/1922 | BIRM |
| Alnus incana | GB, VC90 Angus, Glen Clova | Ursula Katherine Duncan | Job Edward Lousley | 8/1961 | SLBI |
| Alnus serrulata | US, FL, Okaloosa County | Robert K Godfrey | | 19/10/1971 | FSU |
| Alnus serrulata | US, FL, Washington County | Lisa Keppner | | 19/9/2008 | FSU |
| Alnus serrulata | US, FL, Escambia County | Paul L Redfearn Robert Kral | Florida State University, Robert K. Godfrey Herbarium | 21/7/1956 | FSU |
| Alnus serrulata | US, FL, Jackson County, Apalachee Game Management Area | Gary R Knight | | 9/9/1981 | FSU |
| Alnus serrulata | US, FL, Franklin County, Apalachicola | Loran C Anderson | | 27/9/1985 | FSU |
| Alnus serrulata | US, FL, Franklin County, Apalachicola | Loran C Anderson | | 26/4/1985 | FSU |
| Alnus serrulata | US, FL, Franklin County, Apalachicola | Paul L Redfearn Robert Kral | | 29/6/1956 | FSU |
| Alnus serrulata | US, FL, Franklin County, Apalachicola Bay | Robert K Godfrey | | 1/7/1976 | FSU |
| Alnus serrulata | US, FL, Liberty County, Apalachicola River | Robert K Godfrey | | 21/5/1976 | FSU |
| Alnus serrulata | US, FL, Santa Rosa County, Berrydale | E.S. Ford | Florida State University, Robert K. Godfrey Herbarium | 24/8/1957 | FSU |
| Alnus serrulata | US, FL, Calhoun County, Blountstown | Loran C Anderson | Robert K Godfrey | 24/6/1996 | FSU |
| Alnus serrulata | US, FL, Calhoun County, Bristol | Robert K Godfrey | | 14/3/1983 | FSU |
| Alnus serrulata | US, FL, Liberty County, Bristol | R.A. Davidson Robert F Thorne | Florida State University, Robert K. Godfrey Herbarium | 4/9/1955 | FSU |
| Alnus serrulata | US, FL, Franklin County, Cape St. George Island | Loran C Anderson | | 23/5/1985 | FSU |
| Alnus serrulata | US, FL, Washington County, Cedar tree Landing Road | Loran C Anderson | Loran C Anderson | 22/6/1990 | FSU |
| Alnus serrulata | US, FL, Holmes County, Choctawhatchee River | Robert K Godfrey | | 10/5/1974 | FSU |
| Alnus serrulata | US, FL, Gadsden County, Concord | Loran C Anderson | Florida State University, Robert K. Godfrey Herbarium | 8/10/2013 | FSU |
| Alnus serrulata | US, FL, Bay County, Crooked Creek | Loran C Anderson | | 24/8/2001 | FSU |
| Alnus serrulata | US, FL, Walton County, De Funiak Springs | Robert K Godfrey | Florida State University, Robert K. Godfrey Herbarium | 3/9/1958 | FSU |
| Alnus serrulata | US, FL, Bay County, Deer Point Lake | Robert K Godfrey | | 21/5/1976 | FSU |
| Alnus serrulata | US, FL, Bay County, Econfina Creek | Loran C Anderson | Florida State University, Robert K. Godfrey Herbarium | 30/11/2001 | FSU |
| Alnus serrulata | US, FL, Okaloosa County, Fred Gannon Rocky Bayou State Recreation Area | Loran C Anderson | | 5/5/1994 | FSU |
| Alnus serrulata | US, FL, Leon County, Frenchman Creek | Loran C Anderson | | 12/6/1981 | FSU |