本種與裸報春P. farinosa L. var. denudata Koch近似,但花葶通常較長,苞片狹矩圓狀披針形,花萼無訂訂棱,可以區別。
參考文獻
長葶報春(新擬)圖版39:5-7
Primula longiscapa Ledeb. in Mem. Acad. Sc. Petersb. 5: 520. 1815: Fed. in Kom. Fl. URSS, 18: 168. 1952: D. A. Webb in Fl. Europ. 3: 17. 19T2. ——Primula intermedia auct. non Sims.: W. W. Smith et Fletcher in Trans. Roy. Soc. Edinb.61 (1): 23. 1943.