List of Canadian plants by family H

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Main page: List of Canadian plants by family

This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by expanding it with reliably sourced entries.

Haemodoraceae

• Lachananthes caroliniana — Carolina redroot

Haloragaceae

Myriophyllum alterniflorum — alternate-flowered water-milfoil Myriophyllum farwellii — Farwell's water-milfoil Myriophyllum heterophyllum — broadleaf water-milfoil Myriophyllum hippuroides — western water-milfoil Myriophyllum humile — low water-milfoil Myriophyllum pinnatum — cutleaf water-milfoil Myriophyllum quitense — Andean water-milfoil

Myriophyllum sibiricum — common water-milfoil Myriophyllum tenellum — slender water-milfoil Myriophyllum ussuriense — Asian water-milfoil Myriophyllum verticillatum — whorled water-milfoil Proserpinaca intermedia — intermediate mermaidweed Proserpinaca palustris — marsh mermaidweed Proserpinaca pectinata — combleaf mermaidweed

Hamamelidaceae

• Hamamelis virginiana — American witch-hazel

Hedwigiaceae

Hedwigia ciliata — Hedwig's fringeleaf moss Hedwigia stellata

Pseudobraunia californica

Helodiaceae

Helodium blandowii

Helodium paludosum

Herbertaceae

• Herbertus hawaiiensis

Hippocastanaceae

• Aesculus glabra — Ohio buckeye

Hippuridaceae

Hippuris montana — mountain mare's-tail Hippuris tetraphylla — four-leaf mare's-tail

Hippuris vulgaris — common mare's-tail

Hookeriaceae

Hookeria acutifolia

Hookeria lucens

Hydrangeaceae

Philadelphus lewisii — Lewis' mock-orange

Philadelphus trichothecus — Columbian mock-orange

Hydrocharitaceae

Elodea bifoliata — two-leaf waterweed Elodea canadensis — broad waterweed

Elodea nuttallii — Nuttall's waterweed Vallisneria americana — eel-grass

Hydrophyllaceae

Phacelia hastata var. compacta
Silver-leaf Phacelia, White-leaf Phacelia (pop)

Ellisia nyctelea — nyctelea Hesperochiron pumilus — dwarf hesperochiron Hydrophyllum appendiculatum — appendage waterleaf Hydrophyllum canadense — bluntleaf waterleaf Hydrophyllum capitatum — dwarf waterleaf Hydrophyllum fendleri — Fendler's waterleaf Hydrophyllum tenuipes — Pacific waterleaf Hydrophyllum virginianum — John's-cabbage Nemophila breviflora — Great Basin nemophila Nemophila parviflora — smallflower nemophila Nemophila pedunculata — meadow baby-blue-eyes

Phacelia franklinii — Franklin's phacelia Phacelia hastata — silverleaf scorpion-weed Phacelia leptosepala — narrowsepal scorpion-weed Phacelia linearis — linearleaf scorpion-weed Phacelia lyallii — Lyall's phacelia Phacelia mollis — Coffee Creek scorpion-weed Phacelia purshii — Miami-mist Phacelia ramosissima — branching scorpion-weed Phacelia sericea — silky scorpion-weed Romanzoffia sitchensis — Sitka mistmaid Romanzoffia tracyi — Tracy's mistmaid

Hylocomiaceae

Hylocomiastrum pyrenaicum Hylocomiastrum umbratum Hylocomium splendens — stairstep moss Loeskeobryum brevirostre

Rhytidiadelphus loreus Rhytidiadelphus squarrosus Rhytidiadelphus triquetrus — shaggy moss Rhytidiopsis robusta — pipecleaner moss

Hymenophyllaceae

• Hymenophyllum wrightii — Wright's filmy fern

Hypnaceae

Callicladium haldanianum Ctenidium malacodes Ctenidium molluscum Ctenidium schofieldii Gollania turgens Herzogiella adscendens Herzogiella seligeri Herzogiella striatella Herzogiella turfacea Homomallium adnatum Hypnum bambergeri Hypnum callichroum Hypnum circinale Hypnum cupressiforme Hypnum curvifolium Hypnum dieckii Hypnum fertile Hypnum hamulosum Hypnum holmenii Hypnum imponens — hypnum moss Hypnum jutlandicum Hypnum lindbergii — Lindberg's hypnum moss Hypnum mammillatum Hypnum pallescens Hypnum plicatulum Hypnum pratense

Hypnum procerrimum Hypnum recurvatum Hypnum revolutum — revolute hypnum moss Hypnum subimponens Hypnum vaucheri Isopterygiopsis muelleriana Isopterygiopsis pulchella Isopterygium tenerum Orthothecium chryseum Orthothecium intricatum Orthothecium strictum Platydictya confervoides — algæ-like matted-moss Platydictya jungermannioides Platydictya minutissima Platydictya subtilis Platygyrium repens Pseudotaxiphyllum distichaceum — pseudotaxiphyllum moss Pseudotaxiphyllum elegans Ptilium crista-castrensis — knight's plume Pylaisiella intricata Pylaisiella polyantha Pylaisiella selwynii Taxiphyllum deplanatum Taxiphyllum taxirameum Tripterocladium leucocladulum

Hypopterygiaceae

• Hypopterygium fauriei