In 1986 John (Seán) Thomas Howard submitted his MSc Thesis on the The Flora of County Longford. A copy of the manuscript was given to Maura Scannel and has been kept at the National Herbarium ever since. We are very grateful to Seán Howard for giving us permission for it to be scanned and made available.

Shane Brien (volunteer helper, BSBI) and Maria Long (Irish Officer, BSBI) have worked on scanning, formatting and indexing the flora to make this suitable for uploading. Any comments or feedback, please contact Maria Long(maria.long@bsbi.org).

Previous contributions to the flora of Co. Longford; Barrington and Vowell: Flora of shores of Lough Ree List of Species; List of species found in Co. Longford by Robert Lloyd Praeger
P. Heusel & W. V. Rubers: Flora and vegetation of the Shannon 1971; Plants from Co. Longford in the National Herbanium (DBN); Climate of County Longford.
Meteorological service; Geology; Botanical districts; Explanation of the main text 

Ferns, Gymnosperms, Salicaceae
Betulaceae, Cannabaceae, Caryophyllaceae, Chenopodiaceae, Corylaceae, Fagaceae, Nymphaeaceae, Papaveraceae, Polygonaceae, Portulaceae, Ranunculaceae, Ulmaceae, Urticaceae.
Crassulaceae, Cruciferae, Droseraceae, Grossulariaceae, Parnassiaceae, Resedaceae, Rosaceae, Sarraceniaceae, Saxifragaceae
Aceraceae, Aquifoliaceae, Balsaminaceae, Celastraceae, Eurphorbiaceae, Geraniaceae, Guttiferae, Haloragaceae, Hippocastanaceae, Hippuridaceae, Linaceae, Lythraceae, Malvaceae, Onagraceae, Oxalidaceae, Polygalaceae, Rhamnaceae, Tiliaceae, Violaceae.
Apocynaceae, Araliaceae, Boraginaceae, Callitrichaceae, Convolvulaceae, Empetraceae, Ericaceae, Gentianaceae, Menyanthaceae, Oleaceae, Primulaceae, Rubiaceae, Umbelliferae.
Buddlejaceae, Campanulaceae, Caprifoliaceae, Dipsacaceae, Labiatae, Lentibulariaceae, Orobanchaceae, Plantaginaceae, Scrophulariaceae, Solanaceae, Valerianaceae
Alismataceae, Compositae, Hydrocharitaceae, Iridaceae, Juncaceae, Juncaginaceae, Liliaceae, Potamogetonaceae, Zannichelliaceae
Araceae, Cyperaceae, Gramineae, Lemnaceae, Orchidaceae, Sparganiaceae, Typhaceae


Acer, Achemilla, Achillea, Acinos, Aegopodium, Aesculus, Aethusa, Agrimonia, Aira, Ajuga, Alisma, Alliaria, Allium, Alnus, Alopecurus, Anacamptis, Anagallis, Andromeda, Anemone, Angelica, Antennaria, Anthemis, Anthoxathum, Anthriscus, Anthyllis, Aphanes, Apium, Aquilegia, Arabidopsis, Arctium, Arenaria, Armoracia, Arrenatherum, Artemisia, Arum, Asplenium, Athyrium, Atriplex, Avena, Avenula, Baldellia, Barbarea, Bellis, Berula, Betula, Bidens, Blackstonia, Blechnum, Botrychium, Brachypodium, Brassica, Briza, Bromus, Buddleja, Buglossides, Calamintha, Callitriche, Calluna, Caltha, Calystegia, Campanula, Capsella, Cardamine, Carduus, Carex, Carlina, Carum, Catabrosa, Centaurea, Centaurium, Centranthus, Cerastium, Ceterach, Chaenorrhinum, Chaerophyllum, Chamomilla, Chelidonium, Chenopodium, Chrysanthemum, Chrysosplenium, Cicerbita, Cicuta, Circaea, Cirsium, Cladium, Clematis, Coeloglossum, Conium, Conopodium, Convolvulus, Coronilla, Coronopus, Corydalis, Corylus, Cotoneaster, Crataegus, Crepis, Cymbalaria, Cynosurus, Cystopteris, Cytisus, Dactylis, Dactylorhiza, Datura, Daucus, Deschampsia, Desmazeria, Digitalis, Diplotaxis, Drosera, Dryopteris, Eleocharis, Elodea, Elymus, Empetrum, Epilobium, Epipactis, Equisetum, Erica, Erigeron, Eriophorum, Erophila, Erysimum, Euonymus, Eupatorium, Euphorbia, Eurphrasia, Fagus, Fallopia, Festuca, Filago, Filipendula, Fragaria, Frangula, Fraxinus, Fuchsia, Fumaria, Galeopsis, Galium, Gentianella, Geranium, Geum, Glechoma, Glyceria, Gnaphalium, Gymnadenia, Hedera, Helleborus, Heracleum, Hesperis, Hieracium, Hippuris, Holcus, Humulus, Huperzia, Hyacinthoides, Hydrocharis, Hydrocotyle, Hymenophyllum, Hypericum, Hypochoeris, Ilex, Impatiens, Inula, Iris, Juncus, Knautia, Koeleria, Lamium, Lapsana, Lathraea, Lathyrus, Leguminosae, Lemna, Leontodon, Lepidium, Leucanthemum, Leycesteria, Ligustrum, Linaria, Linum, Listera, Lithospermum, Littorella, Lobelia, Lolium, Lonicera, Lotus, Lunaria, Luzula, Lychnis, Lycopodium, Lycopus, Lysimachia, Lythrum, Malus, Malva, Matricaria, Medicago, Melampyrum, Melica, Mentha, Menyanthes, Mercurialis, Minuartia, Moehringia, Montia, Myosotis, Myrica, Myriophyllum, Myrrhis, Nardus, Narthecium, Nasturtium, Nepeta, Nuphar, Nymphaea, Odontites, Oenanthe, Ononis, Ophioglossum, Ophrys, Orchis, Oreopteris, Origanum, Orobanche, Osmunda, Oxalis, Papaver, Parietaria, Parnassia, Pedicularis, Petasites, Petroselinum, Peucedanum, Phalaris, Phleum, Phyllitis, Pimpinella, Pinguicula, Pinus, Plantago, Platanthera, Poa, Polygala, Polygonum, Polypodium, Polystichum, Populus, Potamogeton, Potentilla, Primula, Prunella, Prunus, Pteridium, Pulicaria, Ranunculus, Raphanus, Reseda, Reynoutria, Rhamnus, Rhinanthus, Rhododendron, Rhynchospora, Ribes, Rorippa, Rosa, Rubus, Rumex, Sagina, Sagittaria, Salix, Sambucus, Samolus, Sanguisorba, Sanicula, Saponaria, Sarracenia, Saxifraga, Scandix, Schoenus, Scirpus, Scrophurlaria, Scuttelaria, Sedum, Selaginella, Sempervivum, Senecio, Sherardia, Silene, Sinapis, Sisymbrium, Sisyrinchium, Sium, Smyrnium, Solidago, Sonchus, Sorbus, Sparganium, Spergula, Spiraea, Spiranthes, Spirodela, Stachys, Stellaria, subfamily Fumarioideae, Succisa, Symphoricarpos, Symphytum, Syringa, Tanacetum, Taraxacum, Taxus, Tellima, Teucrium, Thalictrum, Thelypteris, Thymus, Tilia, Torilis, Tragopogon, Trifolium, Triglochin, Trisetum, Tritonia, Tsuga, Tussilago, Typha, Ulex, Ulmus, Umbilicus, Urtica, Utricularia, Vaccinium, Valeriana, Valerianella, Verbascum, Veronica, Viburnum, Vicia, Vinca, Viola, Vulpia, Zannichellia.