| Number | Name | Date | Kind |
|---|---|---|---|
| D163083 | Belline et al. | May 1951 | |
| D232316 | Cook | Aug 1974 | |
| D248783 | Long | Aug 1978 | |
| D256262 | Benson | Aug 1980 | |
| D303276 | Oakleaf | Sep 1989 | |
| D306334 | Alcala | Feb 1990 | |
| D333331 | Evans | Feb 1993 | |
| D335317 | Shearer | May 1993 | |
| D340494 | Werner et al. | Oct 1993 | |
| D341405 | Solheim | Nov 1993 | |
| D344564 | Oakleaf | Feb 1994 | |
| D355462 | Wyatt | Feb 1995 | |
| D363518 | Green et al. | Oct 1995 | |
| D368751 | Rife | Apr 1996 | |
| D381383 | Brett | Jul 1997 | |
| D388143 | Huan-Chiang | Dec 1997 | |
| D398353 | Wooten | Sep 1998 | |
| 4655459 | Antonious | Apr 1987 | |
| 5683307 | Rife | Nov 1997 |