The cumulative distributions of the species in the results. The darkest area has the most species.
Zone 11 - 5 species Zone 10 - 15 species Zone 9 - 34 species Zone 8 - 54 species Zone 7 - 66 species Zone 6 - 67 species Zone 5 - 64 species Zone 4 - 51 species Zone 3 - 30 species Zone 2 - 10 species Zone 1 - 3 species Mexico - 27 species Alaska - 21 species Yukon Territories - 6 species Northwest Territories - 7 species British Columbia - 44 species Alberta - 19 species Saskatchewan - 15 species Nunavut - 1 species Manitoba - 13 species Ontario - 39 species Quebec  - 34 species Newfoundland - 14 species New Brunswick  - 29 species Prince Edward Island - 19 species Nova Scotia - 29 species Hawaii - 6 species Washington - 46 species Oregon - 48 species California - 59 species Nevada - 29 species Idaho - 41 species Montana - 38 species Wyoming - 29 species Utah - 37 species Arizona - 27 species Colorado - 32 species New Mexico - 29 species Texas - 24 species Oklahoma - 23 species Kansas - 20 species Nebraska - 19 species South Dakota - 19 species North Dakota - 16 species Arkansas - 29 species Missouri - 29 species Iowa - 27 species Minnesota - 27 species Illinois - 39 species Wisconsin - 34 species Michigan - 35 species Indiana - 34 species Kentucky - 34 species Maine - 34 species New Hampshire - 31 species Vermont - 30 species Massachusetts - 40 species Rhode Island - 35 species Connecticut - 37 species New York - 39 species Ohio - 39 species Pennsylvania - 43 species West Virginia - 37 species New Jersey - 38 species Maryland - 37 species Delaware - 35 species Virginia - 39 species North Carolina - 38 species Louisiana - 17 species Tennessee - 38 species Mississippi - 21 species South Carolina - 29 species Georgia - 32 species Alabama - 27 species Florida - 18 species