Found 2,165 species ·
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Maclura pomifera
T1 easy 1,852
Erigeron philadelphicus
T2 medium 1,829
Acer tataricum
T1 easy 1,822
Leycesteria formosa
T1 easy 1,803
Symphyotrichum pilosum
T1 medium 1,784
Lonicera japonica
T1 easy 1,774
Cynodon dactylon
T1 easy 1,742
Ostrya virginiana
T1 easy 1,736
Quercus virginiana
T2 easy 1,730
Pentaglottis sempervirens
T1 medium 1,730
Chamaecyparis pisifera
T1 easy 1,728
Quercus bicolor
T1 easy 1,718
Liquidambar formosana
T1 easy 1,710
Sassafras albidum
T1 easy 1,703
Betula pendula
T1 easy 1,694
Symphoricarpos albus
T1 easy 1,685
Philadelphus coronarius
T1 easy 1,678
Raphanus raphanistrum
T1 medium 1,649
Koelreuteria paniculata
T1 easy 1,639
Pinus strobus
T1 easy 1,632
Quercus shumardii
T1 easy 1,623
Fraxinus angustifolia
T1 easy 1,605
Quercus michauxii
T1 easy 1,596
Rosa pendulina
T1 hard 1,583
Acer campestre
T1 easy 1,580
Rubus phoenicolasius
T1 easy 1,570
Castanea sativa
T1 easy 1,559
Baccharis halimifolia
T1 easy 1,549
Ranunculus repens
T1 medium 1,540
Podophyllum peltatum
T1 medium 1,537
Symphoricarpos orbiculatus
T1 easy 1,533
Oenothera parviflora
T1 medium 1,520
Quercus cerris
T1 easy 1,510
Quercus phellos
T1 easy 1,494
Lindera benzoin
T2 easy 1,492
Philodendron martianum
T1 easy 1,481
Verbena urticifolia
T1 medium 1,446
Brassica rapa
T1 medium 1,445
Epilobium angustifolium
T1 medium 1,439
Euphorbia lathyris
T1 medium 1,431