共 30 条
- [1] BALL OM, 1904, JB WISS BOT, V39, P305
- [2] BARANETZKY, 1879, MEM ACAD ST PETERSB, V27, P2
- [3] On lignification in the phloem of Helianthus annuus. [J]. ANNALS OF BOTANY, 1902, 16 (61-64) : 180 - 183
- [4] DARWIN C, J LINN SOC LONDON, V9
- [5] DENNERT T, 1887, BOT HEFT FORSCH BOT, V2, P128
- [6] DENNERT T, 1887, BOT JB, V15, P647
- [7] FITTING H, 1904, JB WISS BOT, V39, P424
- [8] GOLBET K, 1900, ORGANOGRAPHY PLANTS, V1, P206
- [9] GRAY A, 1889, SCI PAPERS ASA GRAY, V1, P176
- [10] GRAY A, 1893, BEITR BIOL PFL, V6, P383