Skip to main content

Table 1 Mean seed density (m™2) rounded to the nearest integer (± standard error) for species in different time-since-fire age classes. Seed densities were calculated from seed bank soil samples collected from Archbold Biological Station in January and July 1992, August 2008, and January 2009. LU = long unburned.

From: Seed Bank Changes with Time-since-Fire in Florida Rosemary Scrub

 

Time-since-fire

Species

3 yrs

6 yrs

10 yrs

24 yrs

LU

Scrub herbs

     

   Balduina angustifolia (Pursh) B.L.Rob.

3 (3)

-

-

-

-

   Eryngium cuneifolium Small

38 (38)

3 (3)

-

16 (16)

2 (2)

   Helianthemum nashii Britton

38 (38)

-

-

-

-

   Hypericum cumulicola (Small) W.P.Adams

3 (3)

57 (29)

3 (2)

13 (13)

86 (29)

   Lechea cernua Small

10 (5)

70 (41)

13 (3)

-

8 (4)

   Lechea spp. Small

13 (9)

60 (56)

-

 

2 (2)

   Paronychia chartacea Fernald

32 (11)

395 (71)

357 (134)

99 (26)

154 (38)

   Polanisia tenuifolia Torr. & A.Gray

-

-

3 (3)

-

1 (1)

   Polygonella basiramia (Small) G.L.Nesom & V.M.Bates

-

-

3 (2)

-

-

   Stipulicida setacea Michx.

735 (639)

573 (135)

610 (69)

226 (56)

435 (170)

   All scrub herbs

872 (611)

1159 (166)

988 (115)

353 (65)

688 (161)

Subshrubs

     

   Calamintha ashei (Weath.) Shinners

-

-

-

-

2 (2)

   Lechea deckertii Small

10 (3)

60 (29)

-

-

6 (6)

   Palafoxia feayi A.Gray

41 (20)

-

5 (2)

3 (3)

4 (3)

   Polygonella robusta (Small) G.L. Nesom & V.M.Bates

38 (38)

3 (3)

-

-

-

   All subshrubs

89 (38)

64 (32)

5 (2)

3 (3)

13 (6)

Shrubs

     

   Ceratiola ericoides Michx.

67 (17)

3 (3)

-

16 (6)

28 (12)

   Lyonia sp.

-

-

-

-

2 (2)

   All shrubs

67 (17)

3 (3)

-

16 (6)

30 (13)

Graminoids

     

   Bulbostylis warei (Torr.) C.B.Clarke

3 (3)

3 (3)

-

-

-

   Cyperus spp.

22 (10)

51 (25)

100 (38)

29 (17)

51 (18)

   Dichanthelium spp.

3 (3)

-

-

-

-

   Juncus sp.

-

-

8 (3)

-

2 (2)

   Panicum repens L.

6 (6)

-

-

3 (3)

-

   Paspalum notatum Flüggé

3 (3)

-

-

-

-

   Paspalum setaceum Michx.

10 (6)

-

-

-

-

   Poaceae

45 (24)

16 (8)

7 (3)

48 (6)

45 (26)

   All graminoids

92 (48)

70 (32)

114 (44)

80 (18)

98 (16)

Ruderal herbs

     

   Conyza canadensis (L.) Cronquist

10 (6)

48 (36)

-

-

4 (4)

   Emilia fosbergii Nicolson

6 (4)

3 (3)

-

13 (13)

-

   Eupatorium spp.

29 (11)

13 (5)

17 (13)

19 (8)

29 (10)

   Euthamia caroliniana (L.) Greene ex Porter & Britton

10 (6)

-

-

6 (6)-

2 (2)

   Gamochaeta purpurea (L.) Cabrera

1623 (862)

-

33 (5)

-

104 (55)

   Houstonia procumbens (J.F.Gmel.) Standl.

3 (3)

-

-

-

1 (1)

   Linaria floridana Chapm.

54 (36)

293 (196)

43 (15)

13 (7)

92 (44)

   Oldenlandia corymbosa L.

3 (3)

-

1 (1)

3 (3)

2 (2)

   Oldenlandia spp.

6 (4)

57 (27)

-

-

2 (2)

   Oldenlandia uniflora L.

10 (10)

-

3 (2)

3 (3)

2 (2)

   Oxalis corniculata L.

67 (29)

-

-

-

17 (11)

   Phyllanthus tenellus Roxb.

22 (11)

6 (6)

-

57 (22)

34 (31)

   Physalis sp.

38 (38)

-

-

-

-

   Pilea microphylla (L.) Liebm.

10 (6)

6 (4)

-

-

2 (2)

   Polypremum procumbens L.

-

-

5 (2)

-

6 (4)

   Richardia scabra L.

3 (3)

-

-

-

4 (4)

   Ruellia blechum L.

6 (4)

-

-

16 (10)

8 (3)

   Scoparia dulcis L.

-

-

4 (4)

-

4 (2)

   All ruderal herbs

1900 (822)

427 (244)

106 (29)

131 (50)

314 (100)

Unknown

     

   Dicot — long hair

140 (56)

73 (31)

-

45 (25)

38 (15)

   Solanaceae family

10 (10)

-

-

-

2 (2)

   Unidentified

162 (74)

535 (194)

145 (31)

350 (47)

248 (69)

   All unknowns

312 (68)

608 (224)

145 (31)

395 (45)

288 (78)

Overall total

3333 (1101)

2330 (419)

1359 (172)

977 (116)

1430 (254)