Leaves alternateLeaves alternate
 Helenium flexuosum |
 Helianthus annuus |
 Helianthus maximiliani |
 Helianthus salicifolius |
 Heteranthera dubia |
 Heterotheca latifolia |
 Hieracium gronovii |
 Hypochaeris radicata |
 Hypoxis hirsuta |
 Impatiens pallida |
 Iris pseudacorus |
 Jussiaea repens |
 Kniphofia |
 Krigia biflora |
 Krigia caespitosa |
 Krigia dandelion |
 Krigia virginica |
 Lactuca scariola |
 Linaria vulgaris |
 Lindera benzoin |
 Linum medium |
 Linum sulcatum |
 Lithospermum canescens |
 Lithospermum caroliniense |
 Lomatium foeniculaceum |
 Lotus corniculatus |
 Ludwigia alternifolia |
