NAME OF PLANT WHERE FOUND DATE WHERE FOUND DATE
Humulus lupulus        
hop        
Huperzia selago        
fir clubmoss        
Hyacinthoides hispanica x H. non-scripta        
hybrid bluebell        
Hyacinthoides non-scripta        
bluebell        
Hydrocharis morsus-ranae        
frogbit        
Hydrocotyle ranunculoides        
floating pennywort        
Hydrocotyle vulgaris        
marsh pennywort        
Hymenophyllum wilsonii        
Wilson's filmy fern        
Hyoscyamus niger        
henbane        
Hypericum androsaemum        
tutsan        
Hypericum calycinum        
rose-of-Sharon        
Hypericum elodes        
marsh St John's-wort        
Hypericum hirsutum        
hairy St John's-wort        
Hypericum humifusum        
trailing St John's-wort        
Hypericum maculatum        
imperforate St John's-wort        
Hypericum montanum        
pale St John's-wort        
Hypericum perforatum        
perforate St John's-wort        
Hypericum pulchrum        
slender St John's-wort        
Hypericum tetrapterum        
square-stalked St John's-wort        
Hypochaeris radicata        
cats'-ear        
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