TY  - JOUR
TI  - MORPHOLOGICAL INTERGRADATION OF VARIETIES OF BIDENS-ARISTOSA COMPOSITAE IN NORTHERN ARKANSAS USA
T2  - Rhodora
VL  - 79
UR  - https://www.biodiversitylibrary.org/part/123206
PB  - New England Botanical Club [etc.]
CY  - [Cambridge, Mass., etc.]
PY  - 1977
SP  - 203
EP  - 213
AU  - Lipscomb, Barney L. 
AU  - Smith, E B
ER  -