Every species in this list can be found in the Advent Botany blogs somewhere. I hope eventually to index all these species.
Abies alba 2014:15
Abies balsamea 2014:15; 2015:1
Abies balsamea 2014:15
Abies concolor 2014:15
Abies fraseri 2014:15
Abies grandis 2014:15
Abies guatemalensis 2014:15
Abies magnifica 2014:15
Abies nordmanniana 2014:15
Abies procera 2014:15
Acca sellowiana 2017:12
Adonidia merrillii 2018:10
Agave sisalana 2014:14
Ajuga ‘Pink Elf’ 2017:9
Allium sativum 2016:9
Alstroemeria ‘Red Elf’ 2017:9
Amaryllis belladonna 2018:12
Ananas comosus 2017:15
Angelica archangelica 2018:15
Angraecum sesquipedale 2018:9
Araucaria heterophylla 2014:15
Asterionella spp. 2016:11
Astilbe ‘Glenroy Elf’ 2017:9
Begonia sp. ‘Merry Christmas’ 2017:8
Begonia rex ‘Merry Christmas’ 2017:8
Bertholletia excelsa 2017:17
Boswellia sacra 2014:5
Brassica oleracea var. gemmifera 2014:24
Broussonetia papyrifera 2014:13
Caladium ‘White Christmas’ 2017:8
Cannabis sativa 2014:14
Carum carvi 2016:14
Castanea sativa 2015:11; 2018:17
Ceratonia siliqua 2016:15
Chrysanthemum cvs. 2016:2
Chrysanthemum (Dendranthema) ‘Pennine Elf’ 2017:9
Cinnamomum spp.
Cinnamomum verum 2014:10; 2015:22 Citrus limon 2019: 4
Citrus tangerina 2015:18
Cladonia portentosa
Cladonia rangiferina
Cocos nucifera 2014:14
Commiphora myrrah 2014:6
Corchorus sp. 2014:14
Cornus mas 2016:21
Cornus sericea 2014:9
Corylus avellana 2015:4
Corylus cornuta 2015:17
Crataegus mexicana 2016:22
Crataegus monogyna var. biflora 2017:4
Crocus sativus 2015:7
Cucumis anguria 2016:1
Cucumis sativus 2014:10; 2016:1
Cucurbita pepo
Cyclamen persicum 2017:18
Cydonia oblonga 2017:3
Daucus carota 2016:4
Disa spp. 2018:24
Elettaria cardamomum 2014:10; 2017:16
Equisetum arvense 2014:4
Erica x darleyensis 2016:25
Ericaceae 2019:8
Eriophorum spp. 2017:21
Euphorbia pulcherrima 2014:23
Ficaria verna ‘Primrose Elf’ 2017:9
Ficaria verna ‘Torquay Elf’ 2017:9
Ficus carica 2016:20
Fragaria vesca 2016:3
Fuchsia ‘Belvoir Elf’ 2017:9
Fuchsia ‘Eschott Elf’ 2017:9
Galanthus spp. 2015:3
Gaultheria procumbens 2016:13
Geum ‘Eden Valley Elf’ 2017:9
Gossypium spp. 2014:14
Guaiacum officinale
Hamamelis vernalis ‘Christmas Cheer’ 2017:8
Hedera helix 2014:1; 2017:5
Helleborus niger 2014:11; ‘White Christmas’ 2017:8
Hemerocallis ‘Dancing Elf’ 2017:9
Hemerocallis ‘Enchanted Elf’ 2017:9
Hemerocallis ‘Irish Elf’ 2017:9
Hemerocallis ‘Snow Elf’ 2017:9
Heteromeles arbutifolia 2018:14
Hippeastrum spp. 2014:18
Hordeum vulgare 2018:13
Hosta ‘Woodland Elf’ 2017:9
Humulus lupulus 2018:13
Hyacinthus orientalis 2018:8
Ilex spp. 2014:3
Ilex aquifolium 2014:3; 2017:20
Ilex opaca 2018:5
Ilex verticillata 2018:5
Illicium verum 2014:10
Iris ‘Aconite Elf’ 2017:9
Iris ‘Apricot Elf’ 2017:9
Iris atropurpurea 2017:7
Iris ‘Arctic Elf’ 2017:9
Iris ‘Royal Elf’ 2017:9
Iris sect. Onocyclus 2017:7
Iris ‘Snow Elf’ 2017:9
Iris susiana 2017:7
Juglans spp. 2015:5
Juniperus communis 2017:24
Kalanchoe blossfeldiana 2017:19
Kniphofia ‘Little Elf’ 2017:9
Lagenaria siceraria 2016:19
Lathyrus vernus ‘Little Elf’ 2017:9
Lilium candidum 2016:18
Linum usitatissimum 2014:14
Loranthus europaeus 2018:4
Luzula confusa 2018:7
Luzula hirsuta 2018:7
Malus x domestica 2015:8
Mentha x piperita 2015:21
Mespilus germanica 2018
Metrosideros excelsa 2016:5
Muscari armeniacum ‘Christmas Pearl’ 2017:8
Myristica fragrans 2014:10; 2017:14
Narcissus papyraceus 2015:12
Narcissus sect. bulbocodii 2016:10
Narcissus sect. meridionalis 2016:10
Nematanthus ‘Christmas Holly’ 2017:8
Ocimum basilicum ‘Christmas’ 2017:8
Olea europea 2015:14
Ornithogalum umbellatum 2014:25
Oryza sativa 2015:10
Oxyria digyna 2018:7
Pastinaca sativa 2014:19
Pedicularis spp. 2018:7
Pedicularis hirsuta 2018:7
Pelargonium ‘Tangerine Elf’ 2017:9
Penstemon barbatus ‘Rose Elf’ 2017:9
Phoenix dactylifera 2014:21
Picea abies 2014:15
Picea omorika 2014:15
Pieris japonica ‘Christmas Cheer’ 2017:8
Pinus cembra 2014:15
Pinus edulis 2014:15
Pinus jeffreyi 2014:15
Pinus pinea 2014:15
Pinus pinea 2014:15
Pinus sylvestris 2014:15
Piper longum 2014:10
Pistacia lentiscus 2017:6
Pittosporum ‘Green Elf’ 2017:9
Poaceae 2015:16
Primula auricula ‘Elf Star’ 2017:9
Protea cynarioides 2015:24
Prunus armeniaca 2018
Prunus avium 2018: 1
Prunus cerasus 2018
Prunus dulcis 2014:7
Prunus mahaleb 2015:15
Prunus spinosa 2017:11
Pseudotsuga menziesii 2014:15
Punica granatum 2017:13
Pyrus communis 2014:22
Quercus robur 2018:
Quercus suber 2017:22
Raphanus sativus 2015:23
Raphia taedigera 2014:14; 2016:16
Rhododendron ‘Christmas Cheer’ 2017:8
Rhododendron ‘Rose Elf’ 2017:9
Rosmarinus officinalis 2017:23
Saccharum officinale 2015:20
Salix spp. 2017:21
Salix polaris 2018:7
Salvia officinalis 2016:8
Salvia rosmarinus 2017:23
Sandersonia aurantiaca 2018:6
Sarcococca confusa 2014:20
Saxifraga ‘Elf Rose’ 2017:9
Schlumbergera truncata 2015:25; ‘White Christmas’ 2017:8
Schlumbergera x buckleyi 2015:25
Selaginella spp. 2016:17
Solanum capsicastrum 2017:1
Solanum pseudocapsicum 2017:1
Solanum tuberosum 2017:25
Symphoricarpos albus 2018:16
Syzygium aromaticum 2016:7
Taxus baccata 2016:6
Theobroma cacao 2014:16; 2019: 2
Thuja occidentalis 2014:15; 2015:6
Urtica dioica 2014:14
Vaccinium macrocarpon 2017:2
Vaccinium spp. 2014:8
Vanilla planifolia 2016:23
Viscum album 2014:2
Viscum album subsp. austriacum 2018:4
Vitis vinifera 2014:17
Xanthomonas campestris 2018 (I know it’s not a plant!)
Zea mays subsp. everta 2015:19
Zingiber officinale 2014:10; 2014:12