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The average length of the main ramet were 310 cm for the foredune, 174 cm for the dune,
149 cm for the swale, 110 cm for the shellhash, and 124 cm for the backdune (Figure 2). One
plant collected from the shellhash area was 3.7 cm in length and observed to have seeds attached.

                     Average Ramet Length across Habitats

Centimeters          500              173.94
                     450
                     400                      149.36              123.89
                     350
                     300                               110.39
                     250 310
                     200              Dune    Swale    Shellhash Backdune
                     150
                     100

                      50
                        0

                            Foredune

                                              Habitat

Figure 2. Average length of main ramet across dune habitats. Error bars denote standard
deviation.

         The average number of nodes per main ramet was 47 in the foredune, 24 in the dune,
21.38 in the swale, 25.9 in the shellhash, and 23.83 in the backdune (Figure 3).

                            Average Number of Nodes on Main Ramet

Nodes on Main Ramet  90.00  47.00
                     80.00
                     70.00            24.00   21.38    25.90      23.83
                     60.00
                     50.00                    Swale
                     40.00                    Habitat
                     30.00
                     20.00
                     10.00

                      0.00

                            Foredune  Dune             Shellhash  Backdune

                                                                                             69
   69   70   71   72   73   74   75   76   77   78   79