| Line | Pedigree | Release | Group | K Color | RM | GLS* | SLB* | Notes | Request | ||
| NC300 | (PH X306B x H5) x PH X105A | 1991 | Trop | Y | 122 | R | R | Southern Rust | GRIN |  |
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| NC302 | (Pioneer X105A x H5) x H101 | 1994 | Trop | Y | 115 | M | Ga | GRIN |  |
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| NC304 | (Pioneer X105A x H5) x H101 | 1994 | Trop | Y | 123 | R | NCSU |  |
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| NC306 | B73^2 x NC250 | 1994 | SS | Y | 120 | M | GRIN | ||||
| NC308 | B73^2 x NC250 | 1994 | SS | Y | 118 | M | GRIN | ||||
| NC310 | B73^3 x NC250 | 1997 | SS | Y | 115 | M | GRIN | ||||
| NC312 | B73^2 x NC250 | 1994 | SS | Y | 121 | M | GRIN | ||||
| NC314 | B73 x NC250 | 1994 | SS | Y | 119 | M | GRIN | ||||
| NC316 | B73Htrhm^4 x NC250 | 1994 | SS | Y | 117 | GRIN | |||||
| NC318 | SC76^4 x B52 | 1994 | NSS | Y | 123 | GRIN | |||||
| NC320 | SC76^4 x B52 | 1994 | NSS | Y | 124 | R | GRIN |  |
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| NC322 | SC76^4 x B52 | 1996 | NSS | Y | 125 | M | R | GRIN | |||
| NC324 | B73 x NC250 | 1996 | SS | Y | 117 | R | R | NLB Resistant | GRIN | ||
| NC326 | B73^4 x NC250 | 1996 | SS | Y | 116 | R | GRIN | ||||
| NC328 | B73^4 x NC250 | 1996 | SS | Y | 114 | R | GRIN | ||||
| NC330 | B73^5 x NC250 | 1996 | SS | Y | 112 | S | R | GRIN | |||
| NC332 | SC76^4 x B52 | 1997 | NSS | Y | 125 | R | GRIN | ||||
| NC334 | SC76^4 x B52 | 1997 | NSS | Y | 125 | R | GRIN | ||||
| NC336 | Pioneer X105A x H5 | 1997 | Trop | W | 127 | Ga | GRIN |  |
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| NC338 | (PH X105A x H5) x (PH X304A x Agroceres 504) | 1997 | Trop | Y | 125 | R | Ga | GRIN | |||
| NC340 | (PH X306B x H5) x PH X105A | 1997 | Trop | W | 125 | NCSU |  |
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| NC342 | McNair 14 x McNair 18 | 1997 | NSS | Y | 117 | GRIN | |||||
| NC344 | (McNair 14x18)^2 x [(NC246 x NC248) x C103] | 1998 | NSS | Y | 124 | R | GRIN | ||||
| NC346 | Pioneer X105A x H5 | 1998 | Trop | W | 119 | Ga | GRIN |  |
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| NC348 | (PH X105A x H5) x Agroceres 155 | 1998 | Trop | W | 121 | Ga, Rio Quarto | GRIN |  |