+ | Carex acutiformis | GB, VC87 West Perthshire, Lake of Menteith | Nicholas F Stewart | | 8/7/1988 | PTH |
+ | Carex muricata subsp. lamprocarpa | GB, VC87 West Perthshire, Ewe Lairs | Christopher David Preston Helen E Stace Nicholas F Stewart | | 14/9/1985 | PTH |
| Carex spicata | GB, VC29 Cambridgeshire, Dry Drayton | Nicholas F Stewart | | 20/6/1979 | E |
+ | Ranunculus fluitans | GB, VC87 West Perthshire, Tullibody | G Graham Nicholas F Stewart Olga Margaret Stewart | | 27/8/1987 | PTH |
| Mentha arvensis x aquatica x spicata = M. x smithiana | IE, VCH12 Co. Wexford, Screen Hills | Nicholas F Stewart Rosemary Fitzgerald | | 14/9/1990 | DBN |
| Salix viminalis x caprea = S. x smithiana | IE, VCH35 West Donegal, Carrowkeel | Christopher David Preston Nicholas F Stewart | | 25/8/1989 | CGE |
| Salix viminalis x caprea = S. x smithiana | IE, VCH35 West Donegal, Lough Meela | Christopher David Preston Nicholas F Stewart S D Webster | | 23/8/1989 | CGE |
| Salix viminalis x caprea = S. x smithiana | IE, VCH35 West Donegal, Dunglow Lough | Christopher David Preston Nicholas F Stewart S D Webster | | 22/8/1989 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC52 Anglesey, Llyn Maelog | Christopher David Preston Nicholas F Stewart | | 27/8/1989 | CGE |
+ | Rubus leptothyrsos | GB, VC87 West Perthshire, Braco | Nicholas F Stewart | | 27/7/1984 | PTH |
+ | Rubus nemoralis | GB, VC87 West Perthshire, Glen Falloch | Nicholas F Stewart | | 28/7/1894 | PTH |
+ | Rubus pictorum | GB, VC87 West Perthshire, Braco | Nicholas F Stewart | | 27/7/1984 | PTH |
+ | Rubus pictorum | GB, VC87 West Perthshire, Braco | Nicholas F Stewart | | 27/7/1984 | PTH |
+ | Rubus pictorum | GB, VC87 West Perthshire, Braco | Nicholas F Stewart | | 27/7/1984 | PTH |
+ | Dryopteris oreades | GB, VC87 West Perthshire, Creag a'Bhealaich | Nicholas F Stewart | | 25/6/1988 | PTH |
+ | Polypodium interjectum | GB, VC87 West Perthshire, Balquharn Glen | Nicholas F Stewart | | 4/7/1988 | PTH |
+ | Polystichum aculeatum | GB, VC87 West Perthshire, Gleann Crotha | Helen E Stace Nicholas F Stewart | | 27/3/1982 | PTH |
+ | Chaerophyllum aureum | GB, VC87 West Perthshire, Callander | Christopher David Preston Nicholas F Stewart | | 17/6/1988 | PTH |
+ | Equisetum arvense | GB, VC87 West Perthshire, Callander | Christopher David Preston Nicholas F Stewart | | 17/6/1988 | PTH |
+ | Festuca x loliaceum | GB, VC87 West Perthshire, Callander | Christopher David Preston Nicholas F Stewart | | 17/6/1988 | PTH |
+ | Potamogeton alpinus | GB, VC87 West Perthshire, Lake of Menteith | Nicholas F Stewart | | 8/7/1988 | PTH |
| Potamogeton alpinus | GB, VC87 West Perthshire, Goodie Water | Nicholas F Stewart | | 8/7/1988 | SLBI |
+ | Potamogeton crispus | GB, VC87 West Perthshire, Loch Lubnaig | Anthony Clive Jermy Nicholas F Stewart | | 13/7/1988 | PTH |
+ | Potamogeton gramineus | GB, VC87 West Perthshire, Lochan an Eireannaich | Nicholas F Stewart | | 13/7/1988 | PTH |
+ | Potamogeton gramineus | GB, VC87 West Perthshire, Loch Lubnaig | Anthony Clive Jermy Nicholas F Stewart | | 13/7/1988 | PTH |
| Potamogeton gramineus | GB, VC110 Outer Hebrides, Loch Nighean Fhailtean | John J Day Nicholas F Stewart | Loch Survey Herbarium | 27/9/1995 | E |
| Potamogeton gramineus | GB, VC110 Outer Hebrides, Harris | John J Day Nicholas F Stewart | Loch Survey Herbarium | 17/9/1995 | E |
| Potamogeton gramineus | GB, VC110 Outer Hebrides, Loch Mor Barvas | John J Day Nicholas F Stewart | Loch Survey Herbarium | 23/9/1985 | E |
| Potamogeton gramineus | GB, VC110 Outer Hebrides, Lewis | John J Day Nicholas F Stewart | Loch Survey Herbarium | 16/9/1995 | E |
| Potamogeton gramineus | GB, VC110 Outer Hebrides, Loch Dalbeg | John J Day Nicholas F Stewart | Loch Survey Herbarium | 16/9/1995 | E |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC87 West Perthshire, Goodie Water | Nicholas F Stewart | | 8/7/1988 | SLBI |
+ | Potamogeton lucens x gramineus = P. x zizii | GB, VC87 West Perthshire, Lake of Menteith | Nicholas F Stewart | | 8/7/1988 | PTH |
+ | Potamogeton natans | GB, VC87 West Perthshire, Lochan an Eireannaich | Nicholas F Stewart | | 13/7/1988 | PTH |
+ | Potamogeton perfoliatus | GB, VC87 West Perthshire, Loch Lubnaig | Anthony Clive Jermy Nicholas F Stewart | | 13/7/1988 | PTH |
+ | Potamogeton praelongus | GB, VC87 West Perthshire, Lochan an Eireannaich | Nicholas F Stewart | | 13/7/1988 | PTH |
+ | Potamogeton praelongus | GB, VC87 West Perthshire, Loch Lubnaig | Anthony Clive Jermy Nicholas F Stewart | | 13/7/1988 | PTH |
+ | Hieracium | GB, VC89 East Perthshire, Pass of Killiecrankie | Nicholas F Stewart | | 23/7/1981 | PTH |
+ | Hieracium anglicum | GB, VC87 West Perthshire, Ben Ledi | Nicholas F Stewart | | 16/7/1983 | PTH |
+ | Hieracium anglicum | GB, VC87 West Perthshire, Ben Ledi | Nicholas F Stewart | | 16/7/1983 | PTH |
+ | Hieracium anglicum | GB, VC87 West Perthshire, Ben Ledi | Helen E Stace Nicholas F Stewart | | 10/7/1983 | PTH |