found: Work cat.: 98-133016: Coops, H. Helophyte zonation, 1996:p. 2 (Iversen (1936) defines a life form of 'helophytes' as plants with aerial stems and leaves as well as hibernating plant parts below the water surface and/or water-saturated soil.)
found: LC database, May 15, 1998(helophyte)
found: Web. 3(helophyte: a bog plant: esp. : a perennial marsh plant having its overwintering buds under water)
found: Coll. dict. botany(helophyte: A marsh plant)
found: Little dict. of botany(helophytes: plants which live in fresh water marshes)
found: Penguin dict. botany(helophyte: A marsh plant with its perennating buds situated in the mud at the bottom of a lake or pond.)
found: Usher dict. botany(helophyte: a bog plant)
found: AGRICOLA, May 15, 1998(t: helophytes, helophyte)
found: BiolAgrIndex, May 15, 1998(t: helophyte)
found: BasicBIOSIS, May 15, 1998(t: helophyte, helophytes; descriptors: helophyte)
