Below is a table listing important native tree species in four Texas Ecoregions?$$ Using information from the video and textbook, calculate the$$ gamma$-$diversity.$$ Respond only with numbers.$$

$\backslash$begin$\{$tabular$\}\{|$c$|$c$|$c$|$c$|$c$|\}$

$\backslash$hline & Post Oak Savanna & Blackland Prairie & Edwards Plateau & East Texas Piney Woods $\backslash \backslash$

$\backslash$hline $1$ & & & & American beech $\backslash \backslash$

$\backslash$hline $2$ & & American Elderberry & & $\backslash \backslash$

$\backslash$hline $3$ & American elm & American Elm & & American elm $\backslash \backslash$

$\backslash$hline $4$ & Ashe juniper & & Ashe juniper & $\backslash \backslash$

$\backslash$hline $5$ & & & Bald cypress & $\backslash \backslash$

$\backslash$hline $6$ & Black walnut & Black Walnut & Black walnut & $\backslash \backslash$

$\backslash$hline $7$ & Black hickory & & & $\backslash \backslash$

$\backslash$hline $8$ & & & Big$-$toothed maple & $\backslash \backslash$

$\backslash$hline $9$ & Blackjack oak & & & $\backslash \backslash$

$\backslash$hline $10$ & Bur oak & Burr Oak & & $\backslash \backslash$

$\backslash$hline $11$ & & Carolina Buckthorn & Carolina buckthorn & $\backslash \backslash$

$\backslash$hline $12$ & Cedar elm & Cedar Elm & & $\backslash \backslash$

$\backslash$hline $13$ & Chinkapin oak & & Chinkapin oak & $\backslash \backslash$

$\backslash$hline $14$ & & Common Persimmon & & $\backslash \backslash$

$\backslash$hline $15$ & & Deciduous Holly & & $\backslash \backslash$

$\backslash$hline $16$ & Drumond red maple & & & Drummond red maple $\backslash \backslash$

$\backslash$hline $17.$ & & Eastern Cottonwood & & $\backslash \backslash$

$\backslash$hline $18$ & Eastern redbud & Eastern Redbud & & Eastern redbud $\backslash \backslash$

$\backslash$hline $19$ & & Eastern Red Cedar & & Eastern red cedar $\backslash \backslash$

$\backslash$hline $20$ & Flowering dogwood & & & Flowering dogwood $\backslash \backslash$

$\backslash$hline $21$ & Honey mesquite & & & $\backslash \backslash$

$\backslash$hline $22$ & & Huisache & & $\backslash \backslash$

$\backslash$hline $23$ & Loblolly pine & & & Loblolly pine $\backslash \backslash$

$\backslash$hline $24$ & & & & Long$-$leaf pine $\backslash \backslash$

$\backslash$hline $25$ & Mexican plum & Mexican Plum & Mexican plum & $\backslash \backslash$

$\backslash$hline $26$ & Pecan & Pecan & Pecan & $\backslash \backslash$

$\backslash$hline $27$ & & & Plateau black cherry & $\backslash \backslash$

$\backslash$hline $28$ & Post oak & & & $\backslash \backslash$

$\backslash$hline $29$ & & Red Buckeye & & $\backslash \backslash$

$\backslash$hline $30$ & & Red Mulberry & Red mulberry & $\backslash \backslash$

$\backslash$hline $31$ & & & Remote pinyon pine & $\backslash \backslash$

$\backslash$hline $32$ & & & & River birch $\backslash \backslash$

$\backslash$hline $33$ & & & & Short$-$leaf pine $\backslash \backslash$

$\backslash$hline $34$ & & Shumard Red Oak & & Shumard red oak $\backslash \backslash$

$\backslash$hline

$\backslash$end$\{$tabular$\}$

$35$ Southern red oak Southern red oak $36$ Sugarberry Sugarberry $37$ Southern magnolia $38$ Southern sugar maple $3940$ Texas persimmon Texas persimmon $41$ Texas pistache $42$ Texas red oak $43$ Texas redbud $44$ Wax myrtle $45$ Willow oak $46$ Wooly birch $47$ Yaupon