| Performance of Kentucky bluegrass cultivars, 1990
| Clark, Jonathan M.; Landschoot, Peter J.; Johnson-Cicalese, Jennifer M. 1991. Turfgrass Research Results 1990/1991 [Penn State]. p. 6-8.
| More | 225738 |
| Performance of perennial ryegrass cultivars, 1990
| Clark, Jonathan M.; Landschoot, Peter J.; Duich, Joseph M. 1991. Turfgrass Research Results 1990/1991 [Penn State]. p. 9-11.
| More | 225741 |
| Performance of tall fescue cultivars, 1990
| Clark, Jonathan M.; Landschoot, Peter J.; Duich, Joseph M. 1991. Turfgrass Research Results 1990/1991 [Penn State]. p. 12-13.
| More | 225742 |
| Performance of fine-leaf fescues, 1990
| Landschoot, Peter J.; Clark, Jonathan M. 1991. Turfgrass Research Results 1990/1991 [Penn State]. p. 14-16.
| More | 225743 |