Vascular Plants

Includes all flowering plants, conifers, ferns and fern-allies.


Browse 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
Genus names beginning with H:
55 genera
124 species
45 subspecies and varieties
Show only taxa with photos
Hackelia – wild forget-me-not (9 species)
Hackelia – hackelia (9 species)
Hackelia – stickseed (9 species)
Halerpestes – buttercup (1 species)
Halogeton – halogeton (1 species)
Harrimanella – harrimanella (1 species)
Harrimanella – moss-heather (1 species)
Harrimanella – mossplant (1 species)
Hedera – ivy (3 species)
Hedysarum – hedysarum (2 species)
Hedysarum – sweetvetch (2 species)
Helenium – sneezeweed (1 species)
Helianthella – helianthella (1 species)
Helianthella – little-sunflower (1 species)
Helianthus – sunflower (8 species)
Heliopsis (0 species)
Heliotropium – heliotrope (1 species)
Helleborus (1 species)
Helminthotheca (0 species)
Hemerocallis – daylily (2 species)
Hemieva (1 species)
Hemitomes – gnome-plant (1 species)
Hemizonella – miniature tarweed (1 species)
Heracleum – cow-parsnip (2 species)
Heracleum – hogweed (2 species)
Herniaria – rupturewort (1 species)
Hesperis – rocket (1 species)
Hesperochiron – hesperochiron (2 species)
Hesperostipa – needle grass (1 species)
Hesperostipa – needle-and-thread (1 species)
Hesperostipa – porcupine-grass (1 species)
Heteranthera (1 species)
Heterocodon – heterocodon (1 species)
Heterotheca – camphorweed (2 species)
Heterotheca – goldaster (2 species)
Heuchera – alumroot (5 species)
Heuchera – heuchera (5 species)
Hibiscus – rosemallow (2 species)
Hieracium – hawkweed (17 species)
Hierochloe – sweetgrass (2 species)
Hierochloe – vanillagrass (2 species)
Hippuris – mare's-tail (2 species)
Hirschfeldia – shortpod mustard (1 species)
Holcus – velvet-grass (2 species)
Holodiscus – ocean-spray (1 species)
Holosteum – jagged chickweed (1 species)
Honckenya – sea purslane (1 species)
Honckenya – seabeach sandwort (1 species)
Hordeum – barley (7 species)
Horkelia – horkelia (1 species)
Hornungia (1 species)
Hosackia – birdsfoot-trefoil (4 species)
Hosackia – deervetch (4 species)
Hosackia – lotus (4 species)
Howellia – water howellia (1 species)
Hulsea – alpinegold (1 species)
Hulsea – hulsea (1 species)
Humulus – hop (1 species)
Huperzia – firmoss (3 species)
Hyacinthoides – bluebells (2 species)
Hydrilla (1 species)
Hydrocharis (1 species)
Hydrocotyle – marsh-pennywort (1 species)
Hydrocotyle – water-pennywort (1 species)
Hydrophyllum – waterleaf (3 species)
Hylotelephium (0 species)
Hymenopappus – hymenopappus (1 species)
Hymenophyllum – filmy fern (1 species)
Hyoscyamus – henbane (1 species)
Hypericum – St. John's-wort (12 species)
Hypochaeris – cats-ear (2 species)
Hyssopus – hyssop (1 species)