The first edition of Weeds has the number 24353 on the spine. Cover price is $1.95. Copyright © 1972 by Western Publishing Company, Inc. Published by Golden Press, New York, N.Y. Letter code ABCDEF on page 160. Listed as a Golden Guide on the cover. Not listed on the inside front cover. (image #1)
The first cover change to Weeds got rid of the white stripe at the top of the book and changed the background color, but kept the same cover art. Cover price is $1.95. Letter code on page 160 is GHIJK. ISBN 0-307-24353-2 (image #2)
The next cover change to Weeds changed the background color to a lighter brown. Copyright © 1972 by Western Publishing Company, Inc. Cover price is still $1.95. Letter code IJK on page 160. ISBN 0-307-24353-2 on the back cover. (not shown; but a side by side comparison is available here)
The last cover change to Weeds has new cover art. Copyright © 1987, 1972 by Golden Books Publishing. No cover price. ISBN 0-307-24353-2 on the back cover. Listed as Golden Books on the cover and a Golden Guide on the inside front cover. My copy has 2D 2E 2F on page 160. Even though this edition has a new date it is not a revised edition. (image #3)
Image #3 also exists in a large (5 ¼ by 7 ¾ inch) hardcover. The number on the back cover is 0-307-64353-0. The text on the cover is in white letters.
No Golden Press revised edition exists. Still in print by St. Martins's Press.