Mammuthus primigenius (Blumenbach, 1799) - woolly mammoth
†Mojo (Genus) G. Hahn, Lepage & Wouters, 1987
Ceratopogonidae (Family)
Palaemon macrodactylus Rathbun, 1902 - migrant prawn
Araneus angulatus personatus Simon, 1929
Parasitus cervicornis van Daele, 1975
Parasitus denenensis van Daele, 1975
†Michelinia (Genus) Koninck, 1841
Stephanophyllia (Genus) Michelin, 1840
Cladonia (Genus) Hill ex P. Browne, 1756
Aconitum napellus Linnaeus - venus' chariot
Actaea spicata Linnaeus
Althaea officinalis Linnaeus - common marshmallow
Anacamptis pyramidalis (Linnaeus) L.C. Richard
Anthericum liliago Linnaeus
Armeria maritima (P. Miller) Willd. - thrift seapink
Arnica montana Linnaeus - mountain arnica
Artemisia alba Turra (1764)
Artemisia campestris Linnaeus - common sagewort
Calla palustris Linnaeus - water arum
Calystegia soldanella (Linnaeus) R. Br. - beach morningglory
Centaurea montana Linnaeus - perennial cornflower
Centaurium erythraea Rafn (1800) - European centaury
Centaurium littorale (D. Turner ex Sm.) Gilmour - seaside centaury
Centaurium pulchellum (Sw.) Druce (1898) - branched centaury
Cephalanthera damasonium (P. Miller) Druce
Cephalanthera longifolia (L.) Fritsch (1888)
Cryptogramma crispa (Linnaeus) R. Br. ex Hook. - crisp rockbrake
Daphne mezereum Linnaeus - paradise plant
Dianthus deltoides Linnaeus - maiden pink
Dianthus gratianopolitanus Vill. (1789)
Draba aizoides L. (1767)
Drosera intermedia Hayne (1798) - spoonleaf sundew
Drosera rotundifolia Linnaeus - roundleaf sundew
Erica cinerea Linnaeus - Scotch heath
Erica tetralix Linnaeus - crossleaf heath
Eryngium maritimum Linnaeus - seaside eryngo
Gentiana cruciata Linnaeus - star gentian
Gentiana pneumonanthe Linnaeus
Gymnadenia odoratissima (L.) Rich. (1817)
Hammarbya paludosa (Linnaeus) O. Kuntze
Helichrysum arenarium (L.) Moench (1794)
Himantoglossum hircinum (L.) Koch
†Hyenia complexa Leclercq
Juniperus communis L. (1753) - common juniper
Leucojum aestivum Linnaeus - summer snowflake
Leucojum vernum Linnaeus - spring snowflake
Limodorum abortivum (Linnaeus) O. Swartz, 1799
Limonium vulgare P. Miller - Mediterranean sealavender
Liparis loeselii (Linnaeus) L.C. Richard - yellow widelip orchid
Lobelia dortmanna Linnaeus - Dortmann's cardinalflower
Lunaria rediviva Linnaeus - perennial honesty
Lychnis viscaria Linnaeus - clammy campion
Lycopodiaceae (Family) Palisot de Beauvois ex Mirbel, in Lamarck & Mirbel, 1802
Menyanthes trifoliata Linnaeus - buckbean
Nymphaeaceae (Family) Salisbury, 1805, nom. cons. - water lilies
Ophrys apifera Hudson
Ophrys fuciflora (F.W.Schmidt) Moench (1802)
Ophrys insectifera Linnaeus
Ophrys sphegodes P. Miller
Orchis militaris Linnaeus
Orchis morio Linnaeus
Orchis palustris
Orchis purpurea Hudson
Orchis simia Lamarck
Orchis ustulata Linnaeus
Osmunda regalis L. (1753) - royal fern
Parnassia palustris Linnaeus - California grass-of-Parnassus
Potentilla rupestris L. (1753)
Primula vulgaris Hudson - English primrose
Ranunculus platanifolius L. (1767)
Rosa arvensis Hudson
Rosa canina Linnaeus
Salicornia (Genus) C. Linnaeus, 1753
Scilla bifolia Linnaeus
Sempervivum funckii
Sempervivum funckii var. aqualiense
Sparganium angustifolium Michx. (1803) - narrowleaf burr reed
Sphagnum (Genus) C. Linnaeus, 1753
Stratiotes aloides Linnaeus
Tamus communis Linnaeus
Trientalis europaea Linnaeus - arctic starflower
Vicia orobus DC.
†Wattieza givetiana Stockmans
†Comasphaeridium brevispinosum (Lister, 1970) Mullins, 2001
†Comasphaeridium williereae (Deflandre & Deflandre-Rigaud, 1965 ex Lister, 1970) Sarjeant & Stancliffe, 1994
Craticula halophila (Grunow, in Van Heurck, 1885) D.G. Mann, in Round et al., 1990
†Cymatiosphaera multisepta Deunff, 1955
†Cymbosphaeridium pilar (Cramer, 1964) Lister, 1970
†Dateriocradus monterrosae (Cramer, 1969) Pöthé de Baldis, 1981
†Diexallophasis denticulata (Stockmans & Willière, 1963)
†Dorsennidium europaeum (Stockmans & Willière, 1960) Sarjeant & Stancliffe, 1994
†Dorsennidium europaeum subsp. europaeum (Stockmans & Willière, 1960) Sarjeant & Stancliffe, 1994
†Dorsennidium europaeum subsp. wenlockianum (Downie, 1959 ex Wall & Downie, 1963) Sarjeant & Stancliffe, 1994
†Duvernaysphaera aranaides (Cramer, 1964) Le Hérissé, 1989
†Quadratitum fantasticum Cramer, 1964
avian influenza A/crested eagle/Belgium/01/2004 (H5N1) virus 2004
†Avalonia
https://www.cia.gov/library/publications/the-world-factbook/geos/be.html