Updated 10/26/98
The F70 Sum
The F70 sum is a select set of seventy-one Northern Hemisphere pollen types. It is a file type generated for the North American Pollen Database and the data are presented as counts. The file is created by utilizing the GPD pollen variable hierarchy to group varibles into the types listed. The seventy-one pollen types are:
Abies |
Shepherdia canadensis |
Acer |
Taxodium |
Alnus |
Tilia |
Aquifoliaceae |
Tsuga canadensis |
Betula |
Tsuga heterophylla |
Carya |
Tsuga mertensiana |
Castanea |
Tsuga |
Ceanothus |
Ulmus |
Celtis |
Ambrosia-type |
Cephalanthus |
Apiaceae |
Cercocarpus-type |
Artemisia |
Clethra |
Asteraceae subf. Asteroideae |
Corylus |
Asteraceae |
Cupressaceae/Taxaceae |
Brassicaceae |
Cyrilla racemiflora |
Caryophyllaceae |
Empetrum-type |
Cerealia |
Ephedra |
Chenopodiaceae/Amaranthaceae |
Ericaceae |
Cyperaceae |
Ericales |
Eriogonum |
Fagus |
Euphorbia-type |
Fraxinus |
Fabaceae |
Juglans |
Iva |
Larix/Pseudotsuga |
Oxyria digyna |
Liquidambar |
Poaceae |
Myricaceae |
Ranunculaceae |
Nyssa |
Rosaceae |
Ostrya-type |
Rubiaceae |
Picea |
Rumex |
Pinus subg. Pinus |
Rumex/Oxyria digyna |
Pinus subg. Strobus |
Saxifragaceae |
Pinus |
Sphaeralcea |
Platanus |
Thalictrum |
Populus |
Selaginella |
Quercus |
Other trees and shrubs |
Salix |
Other herbs |
Sarcobatus vermiculatus |