List of Canadian plants by family H

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 adding missing items with reliable sources.

Haemodoraceae

• Lachnanthes caroliana — 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