[2007 Supplemental Bioindicator Species]{.underline}

The species listed in the following table may be used as the 4^th^,
5^th^, or 6^th^ species at a biosite. These species may
[not]{.underline} be used to meet the requirement for 3 species per
biosite as described in Section 9.2.5 in the Field Guide. If a location
has only supplemental species, the crew must find a new site that meets
the biosite selection guidelines.

+-------------+-------------------------+----------------+------------+
|             | Scientific name         | Common name    | Region     |
+-------------+-------------------------+----------------+------------+
| TREE SPP.   | *Acer saccharinum* L*.* | Silver maple   | East       |
+-------------+-------------------------+----------------+------------+
|             | *Alnus rugosa*          | Speckled alder | East       |
+-------------+-------------------------+----------------+------------+
|             | *Catalpa speciosa*      | Catalpa        | East       |
|             | Warder.                 |                |            |
+-------------+-------------------------+----------------+------------+
|             | *Cercis canadensis L.*  | Red bud        | East       |
+-------------+-------------------------+----------------+------------+
|             | *Fraxinus               | Green ash      | East       |
|             | pennsylvanica*          |                |            |
+-------------+-------------------------+----------------+------------+
|             | *Oxydendron arboreum*   | Sourwood       | East       |
+-------------+-------------------------+----------------+------------+
|             | *Prunus americana*      | American plum  | East and   |
|             | Marsh*.*                |                | West       |
+-------------+-------------------------+----------------+------------+
|             | *Sambucus canadensis*   | American elder | East and   |
|             |                         |                | West       |
+-------------+-------------------------+----------------+------------+
|             | *Tilia americana*       | Basswood       | East       |
+-------------+-------------------------+----------------+------------+
| #           | ####                    |                |            |
+-------------+-------------------------+----------------+------------+
| # WOODY     | ####                    | Pawpaw         | East       |
|             |  Asimina triloba Dunal. |                |            |
+-------------+-------------------------+----------------+------------+
|             | *Campsis radicans L.*   | Trumpet        | East and   |
|             |                         | creeper        | West       |
+-------------+-------------------------+----------------+------------+
|             | *Lindera benzoin*       | Spicebush      | East       |
+-------------+-------------------------+----------------+------------+
| ####        | *Rhus copallina L.*     | Winged sumac   | East       |
+-------------+-------------------------+----------------+------------+
|             | *Viburnum lentago L.*   | Nannyberry     | East       |
+-------------+-------------------------+----------------+------------+
|             | *Vitis labrusca*        | Northern Fox   | East       |
|             |                         | grape          |            |
+-------------+-------------------------+----------------+------------+
|             |                         |                |            |
+-------------+-------------------------+----------------+------------+
| # NON-WOODY | *Apios americana*       | Common ground  | East       |
|             |                         | nut            |            |
+-------------+-------------------------+----------------+------------+
| #           | *Asclepias exalta*      | Tall milkweed  | East       |
+-------------+-------------------------+----------------+------------+
|             | *Asclepias incarnata    | Swamp milkweed | East and   |
|             | L.*                     |                | West       |
+-------------+-------------------------+----------------+------------+
|             | *Asclepias speciosa*    | Showy milkweed | West       |
+-------------+-------------------------+----------------+------------+
|             | *Cephalanthus           | Buttonbush     | East and   |
|             | occidentalis*           |                | West       |
+-------------+-------------------------+----------------+------------+
|             | *Eupatorium perfoliatum | Boneset        | East       |
|             | L.*                     |                |            |
+-------------+-------------------------+----------------+------------+
|             | *Eupatorium rugoum*     | White snake    | East       |
|             |                         | root           |            |
+-------------+-------------------------+----------------+------------+
|             | *Helianthus hirsutus*   | Hairy          | East       |
|             | Raf*.*                  | sunflower      |            |
+-------------+-------------------------+----------------+------------+
|             | *Helianthus             | Woodland       | East       |
|             | divaricatus*            | sunflower      |            |
+-------------+-------------------------+----------------+------------+
|             | *Rudbeckia laciniata*   | Cutleaf        | East and   |
|             |                         | coneflower     | West       |
+-------------+-------------------------+----------------+------------+
|             | *Silphium perfoliatum   | Cup plant      | East       |
|             | L.*                     |                |            |
+-------------+-------------------------+----------------+------------+
|             | *Vernonia               | Iron weed      | East       |
|             | noveboracensis* Willd.  |                |            |
+-------------+-------------------------+----------------+------------+