# List of Canadian plants by family H

Main page: List of Canadian plants by family
Families: 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

## 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

* 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