Zobrazeno 1 - 2
of 2
pro vyhledávání: '"Cirsium pumilum"'
Publikováno v:
Proceedings of the Entomological Society of Washington. 118:261-272
Larinus turbinatus Gyllenhal, a Palearctic weevil that feeds on thistle species of the genera Cirsium and Carduus (Asteraceae: tribe Cardueae), is newly reported for North America. It was first collected by sweep net sampling of flowers of pasture th
Autor:
R. J. Moore, C. Frankton
Publikováno v:
Canadian Journal of Botany. 44:581-595
The specific separation of Cirsium hillii and C. pumilum has long been questioned. Their morphology, cytology, and distribution are discussed and it is concluded that two subspecies be recognized: C. pumilum (Nutt.) Spreng. ssp. pumilum and ssp. hill