Bibliographic record

Janssen, Raymond E., 1940.

Some fossil plant types of Illinois. Part I: A restudy of the Lesquereux types in the Worthen collection of the Illinois State Museum. Part II: Descriptions of new species from Mazon Creek. Illinois State Museum Sci. Pap., vol. I. Springfield, Illiois. 124p.

Specimens figured in this publication:

14458, 14754, 14755, 14756, 14757, 14758, 14759, 14760, 14761, 14763, 14764, 14765, 14766, 14767, 14768, 14769, 14946, 1621, 1622, 1623, 1624, 1625, 1625a, 1625b, 1625c, 1628, 1628a, 1628b, 1630, 1630, 1632, 1640, 1644, 1645, 1646, 1647, 1648, 1648a, 1655, 1661, 1663, 1664, 1665, 1666, 1668, 1668a, 1670, 1670a, 1673, 1675, 1677, 1678, 1685, 1706, 1720, 1721, 1725, 1726, 1727, 1728, 1729, 1730, 1731, 1737, 1740, 1740a, 1744, 1745, 1747, 1749, 1753, 1753a, 1754, 1759, 1780, 1781, 1782, 1784, 1785, 1786, 1786a, 1786b, 1790, 8634, 8679, 8682, 8687, 8688, 8690, 8695,