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Today Cardiospermum is a genus of approximately 14 species in the soapberry family
Catkins belonging to this genus are uncommon in the Green River deposits
forming a gynostemium
This is a very nice fossil tree flower and may be related to the Family Juglandaceae
They usually have hard wood
Eocene Green River Salvinia and Leguminosites P-PCM-16-023 Petrified Palm Today Cardiospermum is a genusSalvinia preauriculata Leguminosites lesquereuxiana Green River FM (Parachute Creek Mbr) Middle Eocene Uintah County, Utah This slab has a beautifully preserved example of the aquatic fern Salvinia and an excellent Leguminosites leaf. The leaf is over 4 cm. Salvinia is a genus in the family Salviniaceae, and is a type of floating fern. There are at least 12 living species and are known by the common name watermoss. Salvinia is related to the other
