Table 11. Number of growing-stock trees on timberland by species group and diameter class (trees) 
 Total Current diameter   1.0-2.9   3.0-4.9   5.0-6.9   7.0-8.9   9.0-10.9   11.0-12.9   13.0-14.9   15.0-16.9   17.0-18.9   19.0-20.9   21.0-28.9   29.0+ 
 Loblolly and shortleaf pine            1,007,361,438             327,165,984             227,521,759          174,731,921          139,337,333           75,166,114           34,334,248           14,454,435             8,321,370             3,365,035             1,528,219             1,397,480                  37,540
 Other yellow pines              421,287,566             188,264,467               87,421,466           47,919,050           41,289,132           28,866,232           16,351,810             7,508,351             2,712,131                701,450                183,086                  70,393                        -  
 Eastern white and red pine              140,739,218               59,283,561               30,512,469           18,097,413           11,476,423             7,287,821             5,060,721             3,383,156             2,022,315             1,538,718                816,467             1,189,762                  70,393
 Spruce and balsam fir                  4,581,699                 1,898,519                    470,112                266,716                602,007                184,318                360,557                223,497                252,084                142,894                109,549                  71,447                        -  
 Eastern hemlock                35,641,939               13,015,673                 6,645,190             5,660,003             4,143,088             2,050,940             1,575,571             1,137,694                442,901                333,779                223,058                375,941                  38,102
 Cypress                  3,089,193                 2,285,130                            -                    36,689                101,226                  73,378                  68,958                  96,806                  73,378                105,647                211,293                  36,689                        -  
 Other eastern softwoods              145,645,622               89,560,385               32,208,582           13,056,868             6,438,089             2,807,647                899,152                490,751                110,098                  36,756                  37,295                        -                          -  
 Select white oaks              284,409,976               90,085,417               51,737,676           32,707,681           29,544,237           21,581,771           19,657,966           13,667,218           11,029,555             6,987,111             3,534,276             3,580,744                296,323
 Select red oaks                86,315,810               22,727,619                 8,195,575             9,993,977             9,997,297             8,616,725             6,666,211             5,356,601             5,037,015             3,154,712             2,186,557             3,782,451                601,070
 Other white oaks              195,605,463               32,842,525               23,326,218           29,400,439           30,907,162           27,370,335           17,900,855           13,677,462             8,483,721             5,606,603             2,960,810             2,902,671                226,661
 Other red oaks              314,984,377             113,035,208               59,880,386           33,999,776           27,331,505           24,733,662           18,913,603           13,450,590             9,357,360             5,743,973             4,041,714             4,231,484                265,115
 Hickory              238,571,603               96,469,490               46,163,263           30,657,745           21,651,849           15,880,613           11,162,345             7,158,832             4,829,995             2,305,986             1,122,424             1,135,963                  33,097
 Yellow birch                  3,366,768                    932,487                    944,742                409,251                299,454                372,886                147,652                109,302                  76,204                        -                    38,102                  36,689                        -  
 Hard maple                53,896,453               24,067,105               10,818,905             6,870,923             4,414,948             2,579,459             1,874,754             1,540,246                718,561                413,586                221,636                338,227                  38,102
 Soft maple              418,554,094             217,383,059               89,576,327           44,298,735           28,136,195           15,729,058           10,266,231             5,716,457             3,645,245             1,868,023                716,953             1,142,244                  75,568
 Beech                68,933,807               28,743,361               16,186,559             8,135,235             4,884,600             3,529,850             2,122,963             1,897,954             1,363,500                854,027                563,600                614,057                  38,102
 Sweetgum              423,417,022             253,480,633               90,346,555           32,896,630           18,435,239           11,089,342             7,093,907             4,475,634             2,818,998             1,388,369                605,316                786,400                        -  
 Tupelo and blackgum              143,217,514               74,110,986               32,216,211           14,950,975             8,155,078             5,542,657             3,155,690             2,204,074             1,137,869                867,448                384,392                492,134                        -  
 Ash                52,036,620               20,341,378                 7,428,064             7,442,569             5,317,737             3,808,691             3,108,725             1,823,720             1,334,913                659,735                519,056                252,033                        -  
 Cottonwood and aspen                11,458,139                 7,650,178                 2,265,611                794,761                337,329                152,979                  69,787                  42,305                  42,305                102,884                        -                          -                          -  
 Basswood                11,086,293                 2,349,754                 1,409,321             1,754,176             1,547,430                699,341                783,790                899,167                702,480                379,050                335,495                226,291                        -  
 Yellow-poplar              636,046,175             329,675,307             103,620,828           54,514,190           37,229,047           28,580,680           23,778,096           19,606,103           14,473,042           10,095,457             6,692,431             7,051,846                729,149
 Black walnut                  7,434,959                    460,363                 1,371,467             1,533,309                864,933                715,183             1,017,702                519,010                586,099                178,555                151,045                  37,295                        -  
 Other eastern soft hardwoods              186,725,179             100,516,125               38,632,433           16,317,397           11,021,241             7,789,394             4,529,106             3,125,919             1,949,030             1,289,224                661,691                679,510                214,110
 Other eastern hard hardwoods              167,420,154             103,180,067               28,460,688           14,869,469             9,397,634             5,206,705             3,534,812             1,780,033                576,275                226,383                  75,487                112,601                        -  
 Eastern noncommercial hardwoods                95,165,467               62,414,642               16,972,827             7,905,626             4,997,492             1,599,727                579,440                372,811                248,918                  73,984                        -                          -                          -  
 Total Species group      5,156,992,547     2,261,939,420     1,014,333,232     609,221,522     457,857,703     302,015,506     195,014,650     124,718,126       82,345,361       48,419,389       27,919,953       30,544,353         2,663,334