Bryophytes of Benton County, Oregon
Generated from PNW Herbaria database
July 10, 2025.
57 family names
118 genus names
249 species/infraspecies names
(names highlighted in brown could not be resolved to an accepted name)
{an additional 18 species/infraspecies are to be expected based on presence in one of these adjacent counties: Polk, Yamhill; these names are colored gray and enclosed in braces}
Index to Families:
Not classified:
?
?
NOT CLASSIFIED:
HORNWORTS:
LIVERWORTS:
MOSSES:
Amblystegiaceae: Amblystegium, Calliergonella, Camptothecium, Campylium, Drepanocladus, Hygrohypnum, Leptodictyum, Sanionia, Warnstorfia
Brachytheciaceae: Brachythecium, Eurhynchium, Homalothecium, Isothecium, Platyhypnidium, Pseudoscleropodium, Scleropodium, Trachybryum
Grimmiaceae: Bucklandiella, Codriophorus, Grimmia, Niphotrichum, Racomitrium, Rhacomitrium, Schistidium
Pottiaceae: Acaulon, Barbula, Didymodon, Ephemerum, Micromitrium, Syntrichia, Timmiella, Tortella, Tortula
Mmaceae acanthoneura (WTU; 1917)
Shistidium rivulare (UBC; 1976)
HORNWORTS:
Anthoceros fusiformis (OSC; 2009)
Phaeoceros carolinianus (NY; 1940)
Phaeoceros pearsonii (OSC; 1948)
LIVERWORTS:
Aneura pinguis (OSC; 2009)
Riccardia chamedryfolia (OSC; 2009)
Riccardia latifrons (OSC, SRP; 1998)
Riccardia multifida (NY, OSC; 2009)
Riccardia palmata (OSC; 2009)
Blasia pusilla (OSC; 1976)
Calypogeia fissa (OSC; 2009)
ssp. fissa (OSC; 1991)
Calypogeia suecica (OSC; 1959)
Calypogeia trichomanis (NY, OSC; 1940)
Cephalozia affinis (NY; 1940)
Cephalozia bicuspidata (NY, OSC; 2000)
Cephalozia lunulaefolia (NY; 1959)
Cephalozia lunulifolia (OSC; 2009)
Cephaloziella divaricata (OSC, SRP; 2010)
var. scabra (OSC; 1995)
Conocephalum conicum (OSC; 2009)
Conocephalum salebrosum (NY; 1939)
Fossombronia pusilla (OSC; 2010)
Fossombronia wondraczekii (OSC; 1997)
Frullania bolanderi (NY, OSC, UBC; 1993)
Frullania californica (NY, OSC, WTU; 1998)
Frullania franciscana (NY, OSC; 1995)
Frullania tamarisci (NY, OSC, UBC, WTU; 2009)
ssp. nisquallensis (OSC, UBC; 2000)
var. nisquallensis (NY, OSC, WTU; 2009)
Marsupella emarginata (OSC; 1983)
Gyrothyra underwoodiana (OSC; 1983)
Jungermannia exsertifolia (NY, OSC, WTU; 2009)
ssp. cordifolia (NY, OSC, WTU; 2009)
Jungermannia rubra (NY, OSC; 1993)
Lepidozia reptans (NY, OSC; 2010)
Chiloscyphus coadunatus (OSC; 2009)
Chiloscyphus pallescens (OSC; 1991)
Chiloscyphus polyanthos (NY, OSC, WTU; 2010)
var. fragilis (NY; 1940)
var. polyanthos (OSC; 1993)
var. rivularis (OSC; 1993)
Chiloscyphus profundus (OSC; 2009)
Lophocolea bidentata (OSC; 2000)
Lophocolea cuspidata (NY, OSC; 1993)
Lophocolea heterophylla (OSC, WTU; 1995)
Lunularia cruciata (OSC, SRP; 2010)
Marchantia polymorpha (NY, OSC, WTU; 2010)
Metzgeria pubescens (OSC; 2009)
Pellia endiviifolia (OSC; 1991)
Pellia neesiana (NY, OSC; 2009)
Plagiochila asplenioides (OSC; 1991)
ssp. porelloides (OSC; 1983)
Plagiochila porelloides (OSC, WTU; 2009)
Porella cordaeana (NY, OSC, WTU; 2010)
Porella navicularis (NY, OSC, UBC, WTU; 2010)
Porella roellii (NY, OSC, UBC, WTU; 1997)
Blepharostoma trichophyllum (NY, OSC; 1959)
Ptilidium californicum (OSC; 1999)
Radula bolanderi (NY, OSC, WTU; 2009)
Radula complanata (NY, OSC; 2009)
Riccia californica (NY; 1914)
Riccia fluitans (OSC; 1994)
Riccia sorocarpa (NY, OSC; 1976)
Riccia trichocarpa (OSC; 2010)
Ricciocarpos natans (NY, OSC, WTU; 2010)
Barbilophozia hatcheri (OSC; 1979)
Douinia ovata (OSC; 2009)
Lophozia incisa (OSC; 1976)
Lophozia ventricosa (OSC; 2009)
Scapania americana (NY, OSC; 1983)
Scapania bolanderi (NY, OSC, WTU; 2009)
Scapania paludosa (OSC; 1991)
Scapania umbrosa (NY, OSC, WTU; 2009)
Scapania undulata (NY, OSC; 2009)
Sphaerocarpos hians (OSC; 1991)
Sphaerocarpos texanus (NY, OSC; 2007)
MOSSES:
Amblystegium serpens (NY, OSC, UBC; 1995)
var. juratzkanum (NY, OSC; 1995)
Calliergonella cuspidata (OSC; 2010)
Camptothecium lutescens (WTU; 1953)
Campylium polygamum (OSC, WTU; 1995)
Drepanocladus aduncus (OSC; 2010)
Drepanocladus longifolius (OSC; 1989)
Drepanocladus polygamus (NY; 1995)
Hygrohypnum luridum (OSC; 1939)
Hygrohypnum molle (NY; 2009)
Leptodictyum riparium (NY, OSC, WTU; 1995)
Sanionia uncinata (OSC; 1994)
Warnstorfia fluitans (OSC; 1990)
Andreaea rupestris (OSC; 2009)
Aulacomnium androgynum (NY, OSC, WTU; 2010)
Aulacomnium palustre (OSC; 1911)
Bartramia pomiformis (NY, OSC; 1997)
Philonotis fontana (NY, WTU; 1995)
Brachythecium albicans (NY, OSC; 2009)
Brachythecium frigidum (NY, OSC, UBC; 2010)
Brachythecium rivulare (NY, OSC; 2010)
Brachythecium velutinum (OSC; 1997)
var. velutinum (OSC; 1997)
Eurhynchium oreganum (NY, OSC, UBC, WTU; 2010)
Eurhynchium praelongum (NY, OSC, WTU; 2009)
Eurhynchium stoloniferum (NY; 1978)
Homalothecium fulgescens (NY, WTU; 1995)
Homalothecium lutescens (NY; 1953)
Homalothecium nuttallii (NY, WTU; 1991)
Homalothecium pinnatifidum (NY; 1976)
Isothecium cristatum (NY, UBC, WTU; 1995)
Isothecium myosuroides (NY, OSC, WTU; 2009)
Platyhypnidium riparioides (NY, OSC; 1939)
Pseudoscleropodium purum (OSC; 1999)
Scleropodium cespitans (NY, UBC; 1998)
Scleropodium obtusifolium (NY, OSC, WTU; 1997)
Scleropodium touretii (OSC; 2007)
var. colpophyllum (OSC; 2007)
var. touretii (OSC; 1994)
Trachybryum megaptilum (OSC; 2010)
Bryum argenteum (OSC; 2010)
Bryum caespiticium (OSC; 2009)
Bryum canariense (OSC; 1993)
Bryum capillare (NY, OSC; 2010)
Bryum dichotomum (OSC; 1997)
Bryum lisae (OSC; 1993)
Bryum miniatum (OSC; 1991)
Bryum pallescens (OSC; 2010)
Bryum pseudotriquetrum (NY, OSC; 2010)
Pohlia annotina (OSC; 1997)
Pohlia cruda (OSC; 2009)
Pohlia nutans (OSC; 1991)
Buxbaumia piperi (OSC; 2000)
Dicranella schreberiana (NY; 1939)
Dicranella varia (NY; 1939)
Dicranoweisia cirrata (NY, UBC, WTU; 1992)
Dicranoweisia crispula (OSC; 1917)
Dicranum fragilifolium (OSC; 1917)
Dicranum fuscescens (NY, OSC, WTU; 2010)
Dicranum howellii (OSC, WTU; 2009)
Dicranum scoparium (NY, OSC; 2010)
Dicranum tauricum (WTU; 1995)
Ceratodon purpureus (NY, OSC, WTU; 2010)
Ditrichum heteromallum (OSC; 1976)
Ditrichum schimperi (OSC; 1997)
Pleuridium acuminatum (OSC, UBC; 1976)
Pleuridium subulatum (OSC; 2010)
Fissidens bryoides (NY; 1997)
Fissidens crispus (NY; 2009)
Fissidens ventricosus (NY, WTU; 1962)
Dichelyma uncinatum (NY; 1940)
Fontinalis antipyretica (NY, WTU; 1995)
var. gigantea (NY; 1940)
var. oregonensis (NY, WTU; 1992)
Fontinalis neomexicana (NY, WTU; 1992)
Entosthodon fascicularis (SRP; 1997)
Funaria hygrometrica (NY, WTU; 1939)
Bucklandiella heterosticha (NY; 1998)
Bucklandiella occidentalis (NY; ?)
Codriophorus acicularis (OSC; 2009)
Codriophorus varius (NY, WTU; 1978)
Grimmia leibergii (NY; 2009)
Grimmia pulvinata (NY, UBC; 1992)
Grimmia ramondii (OSC, WTU; 1976)
Grimmia trichophylla (NY; 1996)
Niphotrichum canescens (OSC; 1993)
Niphotrichum ericoides (OSC; 1994)
Racomitrium lanuginosum (NY; 1973)
Rhacomitrium aciculare (UBC; 1976)
Rhacomitrium aquaticum (UBC; 1976)
Rhacomitrium occidentale (UBC; 1976)
Schistidium rivulare (NY; 1991)
Hylocomium loreum (WTU; 1935)
Hylocomium splendens (WTU; 1917)
Rhytidiadelphus loreus (NY; 1940)
Rhytidiadelphus triquetrus (NY; 1995)
Rhytidiopsis robusta (NY; 1962)
Buckiella undulata (NY, SRP; 1998)
Hypnum circinale (NY, WTU; 1979)
Hypnum circinatum (WTU; 1917)
Hypnum subimponens (NY, WTU; 1995)
Pseudotaxiphyllum elegans (OSC; 2009)
Pseudoisothecium stoloniferum (WTU; 1953)
Claopodium bolanderi (OSC; 2009)
Claopodium crispifolium (NY, OSC, SRP, WTU; 2010)
Claopodium whippleanum (NY, OSC; 2009)
Pseudoleskea stenophylla (OSC; 2000)
Antitrichia californica (NY, OSC, WTU; 1999)
Antitrichia curtipendula (NY, OSC, WTU; 2009)
Dendroalsia abietina (HPSU, NY, WTU; 2012)
Pterogonium gracile (NY, OSC, WTU; 1998)
Leucolepis acanthoneura (NY, WTU; 2004)
Leucolepis acanthoneuron (WTU; 1995)
Mnium affine (OSC; 1939)
Mnium spinosum (OSC; 2009)
Plagiomnium affine (NY; 1940)
Plagiomnium drummondii (OSC; 1917)
Plagiomnium insigne (WTU; 1991)
Plagiomnium medium (NY, OSC; 1991)
Plagiomnium venustum (NY, OSC, WTU; 2000)
Rhizomnium glabrescens (NY, OSC, WTU; 1976)
Rhizomnium punctatum (OSC; 1939)
Metaneckera menziesii (NY, OSC, WTU; 2010)
Neckera douglasii (NY, OSC, WTU; 2010)
Neckera pennata (NY, OSC, WTU; 1991)
Porotrichum bigelovii (NY, OSC, WTU; 2010)
Amphidium mougeotii (OSC; 1993)
Orthotrichum consimile (NY, OSC; 1999)
Orthotrichum lyellii (NY, OSC, WTU; 2009)
Orthotrichum speciosum (NY, WTU; 1994)
Ulota megalospora (NY, OSC, WTU; 2009)
Ulota obtusiuscula (OSC; 2000)
Zygodon viridissimus (OSC; 1998)
var. rupestris (OSC; 1990)
var. viridissimus (OSC; 1998)
Plagiothecium cavifolium (OSC; 2009)
Plagiothecium laetum (OSC; 2009)
Plagiothecium undulatum (OSC, WTU; 1991)
Atrichum selwynii (OSC, SRP; 2009)
Polytrichastrum alpinum (NY, OSC; 2009)
Polytrichastrum longisetum (OSC; 1991)
Polytrichum commune (OSC; 1991)
Polytrichum juniperinum (NY, OSC, WTU; 2009)
Polytrichum piliferum (OSC; 2010)
Acaulon muticum (OSC; 1976)
var. rufescens (OSC; 1976)
Barbula convoluta (OSC; 2000)
Barbula vinealis (OSC; 1991)
var. vinealis (OSC; 1991)
Didymodon brachyphyllus (OSC; 1975)
Didymodon vinealis (NY, OSC, UBC; 2010)
var. vinealis (OSC, UBC; 1997)
Ephemerum serratum (OSC; 1997)
Micromitrium tenerum (OSC; 1997)
Syntrichia laevipila (OSC; 1998)
Syntrichia latifolia (NY, OSC, UBC; 1998)
Syntrichia princeps (NY, OSC, UBC, WTU; 2006)
Syntrichia ruralis (NY, OSC, WTU; 1998)
Timmiella crassinervis (OSC; 1994)
Tortella tortuosa (OSC; 2010)
Tortula laevipila (OSC; 1999)
Tortula muralis (NY, OSC; 2010)
Tortula ruralis (OSC, WTU; 1953)
var. alpina (OSC; 1917)
var. arenicola (WTU; 1953)
Tortula truncata (OSC; 2007)
Heterocladium macounii (NY; 2009)
Ptychomitrium gardneri (OSC; 2000)
Scouleria aquatica (NY, OSC, UBC; 1992)
Blindia acuta (NY, OSC; 2009)
Tetraphis pellucida (OSC; 1993)