The cumulative distributions of the species in the results. The darkest area has the most species.
Zone 11 - 17 species Zone 10 - 23 species Zone 9 - 35 species Zone 8 - 36 species Zone 7 - 29 species Zone 6 - 24 species Zone 5 - 16 species Zone 4 - 9 species Zone 3 - 4 species Zone 2 - 2 species Zone 1 - 0 species Mexico - 33 species Alaska - 2 species Yukon Territories - 1 species Northwest Territories - 1 species British Columbia - 5 species Alberta - 1 species Saskatchewan - 1 species Nunavut - 0 species Manitoba - 2 species Ontario - 8 species Quebec  - 3 species Newfoundland - 0 species New Brunswick  - 3 species Prince Edward Island - 2 species Nova Scotia - 3 species Hawaii - 7 species Washington - 8 species Oregon - 8 species California - 26 species Nevada - 11 species Idaho - 5 species Montana - 4 species Wyoming - 5 species Utah - 14 species Arizona - 24 species Colorado - 7 species New Mexico - 20 species Texas - 28 species Oklahoma - 11 species Kansas - 8 species Nebraska - 8 species South Dakota - 5 species North Dakota - 5 species Arkansas - 14 species Missouri - 12 species Iowa - 8 species Minnesota - 6 species Illinois - 14 species Wisconsin - 8 species Michigan - 10 species Indiana - 11 species Kentucky - 14 species Maine - 11 species New Hampshire - 6 species Vermont - 7 species Massachusetts - 15 species Rhode Island - 8 species Connecticut - 11 species New York - 14 species Ohio - 13 species Pennsylvania - 15 species West Virginia - 13 species New Jersey - 11 species Maryland - 15 species Delaware - 12 species Virginia - 16 species North Carolina - 15 species Louisiana - 16 species Tennessee - 14 species Mississippi - 15 species South Carolina - 16 species Georgia - 17 species Alabama - 16 species Florida - 14 species