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 - 29 species Zone 8 - 38 species Zone 7 - 35 species Zone 6 - 23 species Zone 5 - 17 species Zone 4 - 9 species Zone 3 - 4 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 - 10 species Quebec  - 4 species Newfoundland - 0 species New Brunswick  - 2 species Prince Edward Island - 1 species Nova Scotia - 2 species Hawaii - 0 species Washington - 1 species Oregon - 3 species California - 11 species Nevada - 3 species Idaho - 0 species Montana - 1 species Wyoming - 2 species Utah - 2 species Arizona - 9 species Colorado - 3 species New Mexico - 11 species Texas - 30 species Oklahoma - 20 species Kansas - 10 species Nebraska - 7 species South Dakota - 2 species North Dakota - 2 species Arkansas - 23 species Missouri - 21 species Iowa - 11 species Minnesota - 7 species Illinois - 21 species Wisconsin - 9 species Michigan - 12 species Indiana - 18 species Kentucky - 19 species Maine - 9 species New Hampshire - 8 species Vermont - 9 species Massachusetts - 12 species Rhode Island - 10 species Connecticut - 12 species New York - 14 species Ohio - 15 species Pennsylvania - 18 species West Virginia - 15 species New Jersey - 19 species Maryland - 22 species Delaware - 17 species Virginia - 27 species North Carolina - 27 species Louisiana - 28 species Tennessee - 22 species Mississippi - 29 species South Carolina - 25 species Georgia - 27 species Alabama - 28 species Florida - 20 species