TABLE IX - continued
North America
Fennoscandia*
Frequency
Ash yo
Scott, 1955
Joffe, 1949
*Various authors
Gymno- Fagaceae Non-fagaceom
weight
foliage)
of dry
(freshly fallen leaves or
(old leaves)
sperms
Angiosperms
6Fagua grandqolia
Quercus virginiana
L a r k decidwz
Fagua silvatica
1
3
0
sndifolia
Populus tremzclcl
mnsylvanica
Quercus robur
0
3
4
8
Diospyros virginiana
Fraxinus excelsior
Fraxinus quadrangulata
Acer smcharum
0
0
6
Liquidambar styraci$ua
Prunus serotim
Carya ovata
Catalpa speciosa
CornusJorida
Diospyros texana
Magnolia macrophylla
Platanus occidentalis
Liriodendron tulipij'era
Tilia americam
9
0
0
6
10
Quercus douglaaii
Fraxinua americana
0
1
3
Ulmus americana
Robinia pseudmacia
Acer platanoides
0
0
3
11
* Andersson and Enander, 1948. Bonnevie-Svendsen and Gjems, 1957. Hesselman, 1925. Knudsen and Mauritz-Hansson, 1939.
Mork, 1942. Viro, 1955.