Chaenomeles speciosa (Sweet) Nakai
| A monograph of the genus Taphrina A J Mix (1949) University of Kansas Science Bulletin 33(1): 3-167 | |
| The genus Chaenomeles (Rosaceae) Claude Weber (1964) J.Arnold Arbor. 45(2): 161-205 | |
| 1St Flowering Dates For Spring blooming Plants Of The Washington, Dc, Area For The Years 1970 To 1983 S G Shetler and S K Wiser (1987) Proceedings of The Biological Society of Washington 100: 993-1017 |