The cumulative distributions of the species in the results. The darkest area has the most species.
Zone 11 - 7 species Zone 10 - 11 species Zone 9 - 24 species Zone 8 - 29 species Zone 7 - 51 species Zone 6 - 57 species Zone 5 - 52 species Zone 4 - 36 species Zone 3 - 21 species Zone 2 - 14 species Zone 1 - 3 species Mexico - 15 species Alaska - 9 species Yukon Territories - 5 species Northwest Territories - 6 species British Columbia - 22 species Alberta - 18 species Saskatchewan - 6 species Nunavut - 4 species Manitoba - 8 species Ontario - 17 species Quebec  - 13 species Newfoundland - 12 species New Brunswick  - 11 species Prince Edward Island - 10 species Nova Scotia - 14 species Hawaii - 3 species Washington - 15 species Oregon - 22 species California - 31 species Nevada - 15 species Idaho - 17 species Montana - 14 species Wyoming - 11 species Utah - 13 species Arizona - 13 species Colorado - 11 species New Mexico - 13 species Texas - 8 species Oklahoma - 4 species Kansas - 0 species Nebraska - 2 species South Dakota - 4 species North Dakota - 3 species Arkansas - 3 species Missouri - 8 species Iowa - 3 species Minnesota - 13 species Illinois - 14 species Wisconsin - 10 species Michigan - 12 species Indiana - 10 species Kentucky - 7 species Maine - 16 species New Hampshire - 13 species Vermont - 13 species Massachusetts - 16 species Rhode Island - 10 species Connecticut - 13 species New York - 19 species Ohio - 11 species Pennsylvania - 20 species West Virginia - 12 species New Jersey - 17 species Maryland - 17 species Delaware - 10 species Virginia - 16 species North Carolina - 17 species Louisiana - 5 species Tennessee - 10 species Mississippi - 7 species South Carolina - 12 species Georgia - 14 species Alabama - 10 species Florida - 7 species