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Top plant species that observers are recording. 

 

Image credit:
Ellen G. Denny

All Time Top Plant Species Observed

Rank Species Number of Observations
26 saguaro (Carnegiea gigantea) 17037
27 common milkweed (Asclepias syriaca) 16183
28 Amur honeysuckle (Lonicera maackii) 15695
29 Kentucky bluegrass (Poa pratensis) 14911
30 velvet mesquite (Prosopis velutina) 14769
31 blue oak (Quercus douglasii) 14742
32 Appalachian Spring dogwood (Cornus florida-appalachianspring) 14503
33 eastern redbud (Cercis canadensis) 14466
34 pignut hickory (Carya glabra) 14450
35 black walnut (Juglans nigra) 14284
36 beaked hazelnut (Corylus cornuta) 13955
37 smooth brome (Bromus inermis) 13601
38 American hornbeam (Carpinus caroliniana) 13458
39 chamise (Adenostoma fasciculatum) 13435
40 yellow birch (Betula alleghaniensis) 13120
41 Autumn Brilliance serviceberry (Amelanchier grandiflora-autumnbrilliance) 12825
42 California buckeye (Aesculus californica) 12661
43 Gambel oak (Quercus gambelii) 12442
44 Douglas-fir (Pseudotsuga menziesii) 12178
45 white ash (Fraxinus americana) 12014
46 forsythia (Forsythia spp.) 11811
47 Canada mayflower (Maianthemum canadense) 11769
48 sweet birch (Betula lenta) 11502
49 honey mesquite (Prosopis glandulosa) 11387
50 dwarf birch (Betula nana) 11368

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