The story of pollination /

Includes bibliography.

Pollination requirements of fruits and nuts /

Mode of access: Internet.

The flower and the bee; plant life and pollination,

Mode of access: Internet.

Natural cross-pollination in cotton /

Cover title.

Performance of two-clone crosses in alfalfa and an unanticipated self-pollination problem /

Caption title.

Pollination and the honey bee.

Bibliography: p. 17.

Bees and other pollinating insects research : a directory of USDA and state projects in CRIS /

"June 1987."