Scientific Name Collected By Identified By Date Collected Date Identified Family Institution Catalog Number Type Status
collected Isoetes nuttallii A. Braun ex Engelm. Howell, John Thomas; Barneby, R. C. 1954-05-10 Isoetaceae CASC 57748
collected Isoetes howellii Engelm. Howell, John Thomas; Barneby, R. C. Ian Shackleford 1954-05-13 1997-05-01 00:00:00.0 Isoetaceae CASC 69932
collected Isoetes nuttallii A. Braun ex Engelm. Howell, John Thomas; Barneby, R. C. W. Carl Taylor 1954-05-13 1994-01-01 00:00:00.0 Isoetaceae CASC 69919
collected Isoetes howellii J. T. Howell & R. C. Barneby 1954 Isoetaceae US 2631040