Using the combined data set from megafossils and the pollen record, a much more complete picture of the McAbee flora emerges. The following floral list incorporates both, indicating which plant organ was used in the diagnosis:

Gymnospermae:

Ginkgoaceae

• Ginkgo biloba Linnaeus. (Foliage).
• Ginkgo dissecta Mustoe. (Foliage).

Cupressaceae sensu latu

• cf. Calocedrus sp. (Leafy twigs).
• Chamaecyparis sp. (Leafy twigs, cones).
• Cunninghamia sp. (Leafy twigs, cones, pollen cones?).
• Metasequoia occidentalis (Newberry) Chaney. (Leafy twigs, cones, pollen cones).
• Sequoia sp. (Leafy twigs, cones).
• cf. Thujopsis sp. (Leafy twigs).
• Thuja sp. (Leafy twigs, cones).

Pinaceae

• Abies milleri Schorn & Wehr. (Leafy twigs, cone scales, winged seeds & Abies pollen).
• Picea sp. (Leafy twigs, winged seeds, cones & pollen).
• Pinus sp. (Leafy twigs, foliage, cones, winged seeds & pollen).
• Pseudolarix sp. (Cones, foliage & winged seeds).
• Tsuga sp. (Pollen).

Taxaceae

• cf. Amentotaxus / cf. Torreya sp. (Leafy twigs, foliage).

Angiospermae:

Lauraceae

• Sassafras hesperia Berry. (Foliage).

Platanaceae

• Macginitiea gracilis (Lesquereux) Wolfe & Wehr. (Foliage).

Trochodendraceae

• Trochodendron sp. (Leafy twigs, foliage & fruits).
• Zizyphoides sp. (Foliage).

Cercidiphyllaceae

• Joffrea sp. (Foliage, fruits).

Hamamelidaceae

• Langeria magnifica Wolfe & Wehr. (Foliage).

Grossulariaceae

• Ribes sp. (Foliage).

Salicaceae

• Populus sp. (Foliage).

Vitaceae

• cf. Vitis sp. (Foliage).

Rosaceae

• cf. Crataegus sp. (Foliage).
• cf. Prunus sp. (Foliage).

Ulmaceae

• Ulmus sp. (Leafy twigs, foliage, fruit & Ulmus/Zelkova pollen - pollen photo 1, pollen photo 2).

Fagaceae

• Fagus langevinii Manchester & Dillhoff. (Leafy twigs, foliage, cupules, nuts, Fagus pollen).
• Quercus sp. (Pollen).

Myricaceae

• Comptonia columbiana Dawson. (Foliage).

Juglandaceae

• Carya sp. (Pollen).
• Juglans sp. (Pollen - pollen photo 1, pollen photo 2).
• Pterocarya sp. (Pollen).

Betulaceae

• Alnus parvifolia (Berry) Wolfe & Wehr. (Foliage, ovulate cones & Alnus pollen).
• Alnus sp 2. (Cones).
• Betula leopoldae Crane & Stockey. (Foliage, aments & Betula pollen - pollen photo 1, pollen photo 2).
• cf. Corylus sp. (Corylus-type pollen).

Malvaceae

• Florissantia quilchenensis Manchester. (Flowers).

Sapindaceae

• Acer rousei Wolfe & Tanai. (Fruits).
• Acer stewarti Wolfe & Tanai. (Fruits).
• Acer wehri Wolfe & Tanai. (Fruits).
• Acer sp. (Foliage).
• Aesculus sp. (Foliage).
• Dipteronia brownii McClain & Manchester. (Foliage?, fruits).
• Koelreuteria arnoldi Becker. (Fruits).

Cornaceae

• Cornus sp. (Foliage, pollen).

Ericaceae

• cf. Rhododendron sp. (Foliage?, large Ericaceous pollen).

Araliaceae

• cf. Aralia sp. (Foliage).
• cf. Paleopanax sp. (Fruits).

Uncertain affinity

• Chaneya tenuis (Lesquereux) Wang & Manchester. (Flower).
• Averrhoites sp. (Foliage).

©2006 - 2001 Evolving Earth Foundation All rights reserved
Learn from the site, but don't steal my content.
Questions? Samantha@evolvingearth.org