The pollination ecology of epipactis consimilis orchidaceae in israel. Israel Journal of Botany 26(1): 52, 1977
Pollination ecology of epipactis palustris orchidaceae. Botaniska Notiser 131(3): 355-368, 1978
Pollination ecology of, and hybridization between, Orchis coriophora L. and O. collina Sol. ex Russ. (Orchidaceae) in Israel. New Phytologist 83(1): 181-187, 1979
Gynostemium micromorphology and pollination in Epipactis microphylla (Orchidaceae). Journal of Plant Research 119(5): 431-437, 2006
The evolution of floral deception in Epipactis veratrifolia (Orchidaceae): from indirect defense to pollination. Bmc Plant Biology 14(): 63-63, 2014
Pollination ecology of and hybridization between orchis coriophora and orchis collina orchidaceae in israel. New Phytologist 83(1): 181-188, 1979
Pollination ecology of, and hybridization between, Orchis coriophora L. and Orchis collina Sol. ex Russ. (Orchidaceae) in Israel. New phytologist 83(1): 181-187, 1979
Study of electrophoretic variability in epipactis helleborine l. crantz epipactis palustris l. crantz and epipactis microphylla ehrh. swartz family orchidaceae. Genetica (Dordrecht) 72(3): 217-224, 1987
Is Epipactis pseudopurpurata distinct from E?purpurata Orchidaceae? Evidence from morphology, anatomy, DNA and pollination biology. Botanical Journal of the Linnean Society 170(2), 2012
The development of the female gametophyte of epipactis orchidaceae and its inference for reproductive ecology. American Journal of Botany 79(1): 63-68, 1992
Epipactis komoricensis, spec. nova (Orchidaceae): A new autogamous Epipactis of the E. leptochila agg. from Slovakia. Preslia (Prague) 68(2): 125-134, 1996
Epipactis komoricensis, spec. nova (Orchidaceae) - a new autogamous Epipactis of the E. leptochila aggregate from Slovakia. Preslia 68(2): 125-134, 1996
Symbiotic germination capability of four Epipactis species (Orchidaceae) is broader than expected from adult ecology. American Journal of Botany 99(6): 1020-1032, 2013
Pollination ecology of two species of Elleanthus (Orchidaceae): novel mechanisms and underlying adaptations to hummingbird pollination. Plant Biology 18(1): 15-25, 2016
Epipactis albensis a new autogamous species from the Epipactis helleborine species aggregate (Orchidaceae). Preslia 50 (2) 161-171, 1978