Which is the best [UK] book a propos collecting and preserving [non-vegetable] plant seed? ...hopefully with information on how to get in seeds from tiny plants...

...hopefully with information on how to get in seeds from tiny plants as small as a daisy.
My lantana started next to red , pale...
Answers:    The R H S have brill books inc one on collecting seeds, enjoy one, can't put my finger on it at the moment.
Why are my Peace Lily blooms green?
its got to be collecting and preserving none vegetable plant seed for dummies