Bibliographic record
Janssen, Raymond E., 1939.Leaves and stems from fossil forests. A handbook of the paleobotanical collections in the Illinois State Museum. Illinois State Museum Pop. Sci. Ser., vol. I. Springfield, Illinois, 190 p. (Second printing, revised 1957).
Specimens figured in this publication:
14242,
14244,
14248,
14250,
14252,
14253,
14257,
14259,
14265,
14266,
14272,
14275,
14277,
14284,
14286,
14291,
14293,
14296,
14299,
14303,
14305,
14307,
14311,
14312,
14316,
14330,
14334,
14338,
14350,
14355,
14358,
14382,
14383,
14398,
14405,
14406,
14411,
14412,
14413,
14418,
14425,
14443,
14449,
14454,
14457,
14459,
14460,
14462,
14468,
14475,
14477,
14483,
14495,
14497,
14498,
14499,
14500,
14503,
14505,
14507,
14512,
14515,
14516,
14533,
14538,
14548,
14550,
14553,
14555,
14559,
14591,
14597,
14600,
14751,
14752,
14770,
14771,
14772,
14773,
14774,
14775,
14776,
14777,
14778,
14779,
14780,
14781,
14782,
14783,
14784,
14785,
15629,
1622,
1624,
1630,
1631,
1692,
1730,
1760,
1781,
416531,
416532,
416533,