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 - 32 species Zone 8 - 50 species Zone 7 - 62 species Zone 6 - 63 species Zone 5 - 61 species Zone 4 - 49 species Zone 3 - 30 species Zone 2 - 10 species Zone 1 - 3 species Mexico - 27 species Alaska - 20 species Yukon Territories - 6 species Northwest Territories - 7 species British Columbia - 41 species Alberta - 17 species Saskatchewan - 14 species Nunavut - 1 species Manitoba - 13 species Ontario - 38 species Quebec  - 33 species Newfoundland - 13 species New Brunswick  - 28 species Prince Edward Island - 19 species Nova Scotia - 28 species Hawaii - 6 species Washington - 43 species Oregon - 45 species California - 57 species Nevada - 28 species Idaho - 38 species Montana - 35 species Wyoming - 26 species Utah - 35 species Arizona - 26 species Colorado - 30 species New Mexico - 28 species Texas - 23 species Oklahoma - 22 species Kansas - 19 species Nebraska - 18 species South Dakota - 18 species North Dakota - 16 species Arkansas - 27 species Missouri - 27 species Iowa - 26 species Minnesota - 26 species Illinois - 38 species Wisconsin - 33 species Michigan - 34 species Indiana - 33 species Kentucky - 33 species Maine - 33 species New Hampshire - 30 species Vermont - 29 species Massachusetts - 39 species Rhode Island - 34 species Connecticut - 36 species New York - 38 species Ohio - 38 species Pennsylvania - 42 species West Virginia - 36 species New Jersey - 37 species Maryland - 36 species Delaware - 34 species Virginia - 38 species North Carolina - 37 species Louisiana - 17 species Tennessee - 36 species Mississippi - 19 species South Carolina - 28 species Georgia - 30 species Alabama - 25 species Florida - 18 species