Pollen and spore flora of an eocene forest, eastern Axel Heiberg Island, N.W.T.
Citations
564 citations
Cites background from "Pollen and spore flora of an eocene..."
...Middle or late Eocene floras from the Canadian Arctic (Basinger 1991; McIntyre 1991; McIver and Basinger 1999) suggest moist, equable climates and include evergreen (e.g., Pinaceae, Chamaecyparis) and deciduous (e.g., Metasequoia) conifers and many deciduous angiosperms....
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190 citations
Cites background or methods from "Pollen and spore flora of an eocene..."
...American oaks arose in the northern temperate zone and diversified southward in parallel Middle Eocene pollen records from Axel Heiberg Island (79°550N, 88°580W) indicate that oaks had arrived at high latitudes in North America by c. 45Ma (McIntyre, 1991)....
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...A normal distribution with a median of 45Ma and 95% of the distribution between 42 and 48Ma was used for the root of the American oak clade (McIntyre, 1991; McIver & Basinger, 1999)....
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Cites background or methods from "Pollen and spore flora of an eocene..."
...…E. chrysolepis) Chinquapin Palynomorph McIntyre (1991) Family Ericaceae (Ericipites spp.) N.E. Palynomorph McIntyre (1991) Fagus sp. Beech Palynomorph McIntyre (1991) Fraxinus sp. Ash Palynomorph McIntyre (1991) Gothanipollis sp. N.E. Palynomorph McIntyre (1991) Ilex sp. Holly Palynomorph…...
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...…twig, wood LePage & Basinger (1991) Metasequoia sp. Dawn redwood Cone, leaf, stem, palynomorph, wood Basinger (1991), Greenwood & Basinger (1993), McIntyre (1991), McIver & Basinger (1999), Richter & LePage (2005), Williams, et al. (2003) Metasequoia occidentallis Dawn redwood Leaf, twigs, cone…...
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...Polypodium sp. Fern Palynomorph McIntyre (1991) Radialisporis radiatus N.E. Palynomorph McIntyre (1991) aNone extant....
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...…Palynomorph McIntyre (1991) Fagus sp. Beech Palynomorph McIntyre (1991) Fraxinus sp. Ash Palynomorph McIntyre (1991) Gothanipollis sp. N.E. Palynomorph McIntyre (1991) Ilex sp. Holly Palynomorph McIntyre (1991) Intratriporopollenites sp. (cf. Reevesia) No extant Palynomorph McIntyre (1991) Juglans…...
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...…(1991) Lonicera sp. Honeysuckle Palynomorph McIntyre (1991) Family Menispermaceae Leaf McIver & Basinger (1999) Myrica sp. Sweetgale Palynomorph McIntyre (1991) Nordenskioldia borealis N.E. Fruit, leaf McIver & Basinger (1999) Nyssa sp. Tupelo Fruit, palynomorph McIntyre (1991), McIver &…...
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