Index of plants by genus

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Species Common Name Family
     
Halesia tetraptera Carolina Silverbell Styracaceae
Hamamelis virginiana  American Witchhazel Hamamelidaceae
Helenium autumnale Sneezeweed Asteraceae
Helianthemum canadense Longbranch Frostweed Cistaceae
Helianthus angustifolius Narrow-leaved Sunflower Asteraceae
Helianthus decapetalus Thin-leaved Sunflower Asteraceae
Helianthus divaricatus Woodland Sunflower Asteraceae
Helianthus grosseserratus Sawtooth Sunflower Asteraceae
Helianthus microcephalus Small-headed Sunflower Asteraceae
Helianthus mollis Downy Sunflower Asteraceae
Helianthus occidentalis Western Sunflower Asteraceae
Helianthus tuberosus Jerusalem Artichoke Asteraceae
Heliopsis helianthoides False Sunflower Asteraceae
Hepatica acutiloba Sharp-lobed Hepatica Ranunculaceae
Hepatica americana Round-lobed Hepatica Ranunculaceae
Heracleum maximum Cow Parsnip Apiaceae
Heuchera americana Common Alumroot Saxifragaceae
Heuchera richardsonii Prairie Alumroot Saxifragaceae
Hieracium paniculatum Panicled Hawkweed Asteraceae
Hieracium scabrum Rough Hawkweed Asteraceae
Hieracium venosum Rattlesnake Weed Asteraceae
Houstonia caerulea Little Bluet Rubiaceae
Houstonia longifolia Long-leaved Bluet Rubiaceae
Houstonia purpurea Large Bluet Rubiaceae
Hudsonia ericoides Pine-barren False Heather Cistaceae
Hudsonia tomentosa Sand False Heather Cistaceae
Huperzia appressa Mountain Firmoss Lycopodiaceae
Huperzia lucidula Shining Firmoss Lycopodiaceae
Hydrangea arborescens Wild Hydrangea Saxifragaceae
Hydrangia quercifolia Oakleaf Hydrangea Saxifragaceae
Hydrophyllum canadense Canada Waterleaf Hydrophyllaceae
Hydrophyllum virginianum Virginia Waterleaf Hydrophyllaceae
Hylocomium splendens Stairstep Moss Hylocomiaceae
Hypericum ascyron ssp. pyramidatum Great St. John's Wort Hypericaceae
Hypericum canadense Canadian St. John's Wort Hypericaceae
Hypericum densiflorum Bushy St. John's Wort Hypericaceae
Hypericum denticulatum Coppery St. John's Wort Hypericaceae
Hypericum ellipticum Pale St. John's Wort Hypericaceae
Hypericum gentianoides Orange-grass Hypericaceae
Hypericum kalmianum Kalm's St. John's Wort Hypericaceae
Hypericum majus Greater Canada St. John's Wort Hypericaceae
Hypericum mutilum Dwarf St. John's Wort Hypericaceae
Hypericum prolificum Shrubby St. John's Wort Hypericaceae
Hypericum punctatum Spotted St. John's Wort Hypericaceae
Hypericum stragulum Low St. John's Wort Hypericaceae
Hypopitys monotropa Yellow Pine-sap Ericaceae
Hypopitys lanuginosa Hairy Pine-sap Ericaceae
Hypoxis hirsuta Yellow Star Grass Amaryllidaceae
Hystrix patula Bottlebrush Grass Poaceae

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2004-2009 Michael Hough