1119. |
Brink,D. & Mayer,L.M., 1978 | |
Phytologia 38(6):483-497 Floristics Eight Coal Sites.... | ||
Phytologia 38(6):483-497 Floristics Eight Coal Sites.... |
1431. |
List Based Record, 1986 | |
U.S. Soil Conservation Service | ||
U.S. Soil Conservation Service |
1785. |
Allen,O.N. & Allen,E.K., 1981 | |
The Leguminosae, A Source Book of Characteristics,Uses,&Nod. | ||
The Leguminosae, A Source Book of Characteristics,Uses,&Nod. |