The cumulative distributions of the species in the results. The darkest area has the most species.
Zone 11 - 6 species Zone 10 - 12 species Zone 9 - 30 species Zone 8 - 42 species Zone 7 - 40 species Zone 6 - 28 species Zone 5 - 21 species Zone 4 - 13 species Zone 3 - 5 species Zone 2 - 1 species Zone 1 - 0 species Mexico - 15 species Alaska - 0 species Yukon Territories - 0 species Northwest Territories - 0 species British Columbia - 1 species Alberta - 1 species Saskatchewan - 1 species Nunavut - 0 species Manitoba - 1 species Ontario - 12 species Quebec  - 5 species Newfoundland - 0 species New Brunswick  - 3 species Prince Edward Island - 2 species Nova Scotia - 3 species Hawaii - 0 species Washington - 2 species Oregon - 5 species California - 13 species Nevada - 3 species Idaho - 0 species Montana - 1 species Wyoming - 2 species Utah - 3 species Arizona - 9 species Colorado - 3 species New Mexico - 11 species Texas - 32 species Oklahoma - 22 species Kansas - 10 species Nebraska - 7 species South Dakota - 2 species North Dakota - 2 species Arkansas - 25 species Missouri - 24 species Iowa - 12 species Minnesota - 8 species Illinois - 24 species Wisconsin - 11 species Michigan - 14 species Indiana - 21 species Kentucky - 23 species Maine - 11 species New Hampshire - 10 species Vermont - 11 species Massachusetts - 16 species Rhode Island - 13 species Connecticut - 14 species New York - 17 species Ohio - 18 species Pennsylvania - 22 species West Virginia - 18 species New Jersey - 22 species Maryland - 25 species Delaware - 20 species Virginia - 30 species North Carolina - 31 species Louisiana - 31 species Tennessee - 26 species Mississippi - 32 species South Carolina - 28 species Georgia - 31 species Alabama - 32 species Florida - 24 species