Liverworts

Diplophyllum albicans
A frequent component of dark and wet forests, D. albicans forms luxuriant patches of little branched horizontal shoots (to about 3 cm long) growing from moist substrates.…

Diplophyllum obtusifolium
An infrequent colonizer of mineral soils, especially around forest margins, D. obtusifolium if a small plant with shoots < 1cm long, often in yellow-green or even bright red…

Diplophyllum taxifolium
A particularly conspicuous component of montane and subalpine rocky ledges, this green-to-bright yellow Diplophyllum forms thin, delicate of shoots…

Douinia ovata
An occasional species that becomes increasingly prominent in moist microhabitats, this dull green liverwort with elongate leaves made up of unequal lobes forms scrambling…

Fossombronia foveolata
Found along the fine sediments at the margins of seasonally-receeding water bodies, this uncommon montane species is instantly recognizable as a Fossombronia from the…

Fossombronia longiseta
Often obscured by other bryophytes and small grasses on seeping open soils or protected under south-facing rock overhangs, this translucent and frilly green occasional…

Frullania bolanderi
In seasonally water saturated environments, this infrequent, tiny but fiesty Frullania is likely to be noticed on account of frilly little mm-scale shoots shooting out from…

Frullania californica
Tiny (<1mm wide shoots) and often camouflaged against bark, this uncommon species of coastal forests is variably green and red, modestly branched and marked by…

Frullania franciscana
Uncommon and cryptic, this small (<1mm wide) green-to-purple Frullania is most likely to be found along very moist shorelines, where it creeps over the rocks and dwarf sitka…

Frullania hattoriana
A seemingly rare species of montane old growth forest near the coast, you could be forgiven for overlooking this tiny, appressed yellow-red epiphyte that forms cm-scale…

Frullania nisquallensis
A very common species of coastal forests and rocks, the variably green but more often dark purple shoots are narrow (~ 2mm wide or less) and creep over their substrate…

Macrodiplophyllum flaccidum
An infrequent species of uncommonly moist low-elevation microhabitats (waterfalls, deep canyons), M. flaccidum is marked by…

Macrodiplophyllum imbricatum
An infrequent species of higher elevation, M. imbricatum is a yellow or yellow brown robust rock and tundra dweller with smooth lobe margins and an upper…

Macrodiplophyllum microdontum
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Macrodiplophyllum plicatum
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Macrodiplophyllum rubrum
An occasional giant (up to 1 cm wide) of very wet and peaty coniferous forest, this west coast endemic has wide spreading, elongate and deep green leaves fringed in places…

Metzgeria americana
A rare but luxuriant (up to 3mm wide), fuzzy and frilly Metzgeria of extremely moist coastal forests, this…

Metzgeria conjugata
A frequent and elongate simple thalloid liverwort in moist forests and shaded rock outcrops, the translucent green M. conjugata can occur as isolated shoots (1-2 mm wide and…

Metzgeria leptoneura
A rare species of the wet coasts, where it XXX

Metzgeria lindbergii
A robust and translucent species of wet coastal forests and rock, the evenly-forking M. lindbergii is an uncommon species with a very rigid…

Metzgeria pubescens
An occasional species of trees and rocks (especially limestone), the whitish hue of dry M.…

Metzgeria temperata
Typically tightly appressed to bark (especially vine maple), M. temperata is frequent in moist coastal microhabitats. The narrow, dull green thallus…

Porella cordaeana
A frequent species of deciduous trees and dark cliffs, P. cordaeana has matte-green and delicate shoots that…

Porella navicularis
A massive and common leafy liverwort that often dominates deciduous forests, forming large carpets of creeping-to-swooping shiny green/yellow/brown shoots with closely…

Porella roellii
An occasional species of exposed rocks, P. roelli is typically a yellow-brownish and glossy plant that has branches few and far between. From the underside with a hand lens…

Radula auriculata
Another rare but luxuriant species of wet coastal regions, R. auriculata forms golden yellow to green, elongate (>5 cm) and lanky shoots that exhibit frequent, albeit…

Radula bolanderi
A frequent and tiny epiphytic component of wet forests, F. bolanderi has appressed shoots less than 1 mm…

Radula complanata
The most common species of Radula in the region, R. complanata is predominantly epiphytic (especially at low elevations) and composed of closely-overlapping dull…

Radula obtusiloba
A luxuriant and infrequent species of wet coasts and exceedingly moist canyon microhabitats, R. obtusiloba is a much branched plant with triangular shoots 5-10 cm long…

Radula prolifera
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Riccia beyrichiana
Ephemeral and rare, R. beyrichiana forms small (<1cm) and often incomplete green-to-purple rosettes on fine, seasonally moist soils. The presence of small (use your hand…

Riccia cavernosa
Another ephemeral and rare species of fine, seasonally saturated mineral-rich soils, R. caverosa appears tiny (<<1cm) but tall thallus segments that are very tall relative…

Riccia fluitans
Infrequent but abundant where it does occur, this aquatic, narrow and elongate Riccia floats in tangles of duckweed and other aquatic plants. The thallus can grow up to 3cm…

Riccia frostii
An infrequent species that forms massive populations on seasonally exposed lake and river margins, R. frostii forms 1-2cm wide red and green rosettes with a perforated upper…

Riccia glauca
A rare, Riccia about 1cm in diameter found in seasonally exposed sediments, it forms isolated populations that are once-to-thrice branched with a characteristic white frosty…

Riccia huebeneriana
A rare species that forms small green-to-puple-tinged rosettes (<1cm) of narrow and porous thallus…

Riccia lamellosa
A rare species thus far known only from sloping and seasonally saturated fine sediments over rock, R. lamellosa appears as small (~5mm)…

Riccia sorocarpa
When present, this occasional species of fine, disturbed soils can grow in large populations of overlapping rosettes up to 2cm wide and composed of bright green-to-purple…

Riccia trichocarpa
A rare species, R. trichocarpa…

Ricciocarpos natans
An occasional aquatic or semi-aquatic liverwort from stagnant waters, R. natans forms tight and large (1cm or larger) rosettes that are grooved and green above and black…

Sphaerocarpos texanus
A rarely-noticed but seemingly weedy species of disturbed soils, S. texanus is amongst the most charismatic of liverworts in the region on account of its…
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