+ | Anthoxanthum odoratum | GB, VC88 Mid Perthshire, Glenearn | Henry Maurice Drummond-Hay | | 6/1873 | PTH |
+ | Anthriscus caucalis | GB, VC89 East Perthshire, Kinnoull Hill | Henry Maurice Drummond-Hay | | 6/5/1874 | PTH |
+ | Anthriscus sylvestris | GB, VC89 East Perthshire, Seggieden | Henry Maurice Drummond-Hay | | 13/6/1872 | PTH |
+ | Anthyllis vulneraria | GB, VC89 East Perthshire, Seggieden | Henry Maurice Drummond-Hay | | 24/6/1872 | PTH |
+ | Antirrhinum majus | GB, VC89 East Perthshire, Fingask | Henry Maurice Drummond-Hay | | 8/1875 | PTH |
+ | Aphanes | GB, VC89 East Perthshire, Seggieden | Henry Maurice Drummond-Hay | | 24/9/1872 | PTH |
+ | Aphanes | GB, VC89 East Perthshire, Seggieden | Henry Maurice Drummond-Hay | | 5/1873 | PTH |
+ | Apium inundatum | GB, VC89 East Perthshire, Delvine | Henry Maurice Drummond-Hay | | 21/8/1872 | PTH |
+ | Arabidopsis thaliana | GB, VC89 East Perthshire, Balthayock | Henry Maurice Drummond-Hay | | 9/4/1872 | PTH |
+ | Arabidopsis thaliana | GB, VC89 East Perthshire, Pitroddie Den | Henry Maurice Drummond-Hay | | 2/5/1872 | PTH |
+ | Arabis hirsuta | GB, VC89 East Perthshire, Pitlowie | Henry Maurice Drummond-Hay | | 27/5/1872 | PTH |
+ | Arctium minus | GB, VC89 East Perthshire, Glencarse Hill | Henry Maurice Drummond-Hay | | 15/8/1873 | PTH |
+ | Arctostaphylos uva-ursi | GB, VC88 Mid Perthshire, Pitlochry | Henry Maurice Drummond-Hay | | 10/9/1872 | PTH |
| Arctostaphylos uva-ursi | GB, VC92 South Aberdeenshire, Morrone | Henry Maurice Drummond-Hay | John Ralfs | 3/7/1879 | SLBI |
+ | Aremonia agrimonioides | GB, VC89 East Perthshire, Seggieden | Henry Maurice Drummond-Hay | | 4/1872 | PTH |
+ | Arenaria serpyllifolia | GB, VC89 East Perthshire, Seggieden | Henry Maurice Drummond-Hay | | 12/6/1872 | PTH |
+ | Arenaria serpyllifolia | GB, VC89 East Perthshire, Seggieden | Henry Maurice Drummond-Hay | | 2/9/1872 | PTH |
+ | Armeria maritima | GB, VC87 West Perthshire, Ben Lui | Henry Maurice Drummond-Hay | | 8/8/1874 | PTH |
+ | Armeria maritima | GB, VC89 East Perthshire, Invergowrie | Henry Maurice Drummond-Hay | | 21/6/1872 | PTH |
+ | Armeria maritima | GB, VC89 East Perthshire, Murthly | Henry Maurice Drummond-Hay | | 21/8/1872 | PTH |
+ | Artemisia vulgaris | GB, VC89 East Perthshire, Seggieden | Henry Maurice Drummond-Hay | | 16/9/1872 | PTH |
+ | Asplenium septentrionale | GB, VC89 East Perthshire, Stenton | Henry Maurice Drummond-Hay | | 1/8/1872 | PTH |
+ | Asplenium trichomanes subsp. quadrivalens | GB, VC89 East Perthshire, Balthayock | Henry Maurice Drummond-Hay | | 9/9/1873 | PTH |
+ | Aster novi-belgii | GB, VC89 East Perthshire, Insherrit Island | Henry Maurice Drummond-Hay | | 16/9/1872 | PTH |
+ | Aster novi-belgii | GB, VC89 East Perthshire, Seggieden | Henry Maurice Drummond-Hay | | 9/1874 | PTH |
+ | Aster tripolium | GB, VC89 East Perthshire, Invergowrie | Henry Maurice Drummond-Hay | | 14/8/1872 | PTH |
+ | Aster tripolium | GB, VC89 East Perthshire, Longforgan | Henry Maurice Drummond-Hay | | 14/8/1863 | PTH |
| Astragalus alpinus | GB, VC92 South Aberdeenshire, Braemar,Craig-na-dal-beag | Henry Maurice Drummond-Hay | | 7/7/1877 | BIRM |
+ | Astragalus alpinus | GB, VC91,VC92, Aberdeen | Henry Maurice Drummond-Hay | Charles Bailey | 7/7/1877 to 8/8/1882 | MANCH |
+ | Astragalus danicus | GB, VC89 East Perthshire, Arnbathie Hill | Henry Maurice Drummond-Hay | | 12/6/1872 | PTH |
+ | Astragalus glycyphyllos | GB, VC88 Mid Perthshire, River Tummel | Henry Maurice Drummond-Hay | | 27/7/1867 | PTH |
+ | Astrantia major | GB, VC89 East Perthshire, Barnhill | Henry Maurice Drummond-Hay | | 8/9/1873 | PTH |
+ | Astrantia major | GB, VC89 East Perthshire, Barnhill | Henry Maurice Drummond-Hay | | 9/1867 | PTH |
| Athyrium distentifolium | VC92, Wells of Dee | Henry Maurice Drummond-Hay | | 8/8/1871 | BON |
| Athyrium distentifolium | GB, Aberdeenshire, Wells of Dee | Henry Maurice Drummond-Hay | Augustin Ley | 8/8/1871 | BIRM |
+ | Athyrium filix-femina | GB, VC88 Mid Perthshire, Aberfeldy | Henry Maurice Drummond-Hay | | 8/1872 | PTH |
+ | Athyrium filix-femina | GB, VC89 East Perthshire, Balthayock | Henry Maurice Drummond-Hay | | 9/9/1873 | PTH |
+ | Athyrium filix-femina | GB, VC89 East Perthshire, Loch of the Lowes | Henry Maurice Drummond-Hay | | 3/8/1873 | PTH |
+ | Athyrium filix-femina | GB, VC89 East Perthshire, Loch of the Lowes | Henry Maurice Drummond-Hay | | 22/8/1872 | PTH |
+ | Atriplex glabriuscula | GB, VC89 East Perthshire, Invergowrie | Henry Maurice Drummond-Hay | | 6/1873 | PTH |