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Search Summary
Category All Plants13575
Location Lassen Volcanic National Park4131
Elevation 8450 feet2370
Observation Time Now: 3rd week of May1545
Search Results
Click on an image for more information.
Balsamorhiza sagittata
arrowleaf balsamroot 79%
Balsamorhiza sagittata
Claytonia lanceolata
lanceleaf springbeauty 71%
Claytonia lanceolata
Delphinium nuttallianum
upland larkspur 71%
Delphinium nuttallianum
Erysimum capitatum
western wallflower 68%
Erysimum capitatum
Amelanchier utahensis
Utah serviceberry 66%
Amelanchier utahensis
Viola adunca
hookedspur violet 64%
Viola adunca
Arctostaphylos patula
green-leaf manzanita 63%
Arctostaphylos patula
Ranunculus alismifolius
plantain-leaf buttercup 63%
Ranunculus alismifolius
Lupinus polyphyllus
bigleaf lupine 62%
Lupinus polyphyllus
Fritillaria atropurpurea
spotted mountain bells 62%
Fritillaria atropurpurea
Castilleja miniata
scarlet Indian paintbrush 61%
Castilleja miniata
Ribes cereum
wax currant 61%
Ribes cereum
Wyethia mollis
woolly mule's ears 60%
Wyethia mollis
Penstemon newberryi
mountain pride 59%
Penstemon newberryi
Pedicularis semibarbata
pinewoods lousewort 59%
Pedicularis semibarbata
Veratrum californicum
California corn lily 58%
Veratrum californicum
Trifolium longipes
long-stalked clover 58%
Trifolium longipes
Caltha leptosepala
white marsh marigold 57%
Caltha leptosepala
Castilleja applegatei
wavy-leaf Indian paintbrush 57%
Castilleja applegatei
Calyptridium umbellatum
pussypaws 57%
Calyptridium umbellatum
Viola purpurea
goosefoot violet 56%
Viola purpurea
Purshia tridentata
bitterbrush 56%
Purshia tridentata
Erigeron compositus
cutleaf daisy 55%
Erigeron compositus
Oreostemma alpigenum
tundra aster 55%
Oreostemma alpigenum
Ipomopsis aggregata
skyrocket 54%
Ipomopsis aggregata
Calyptridium monospermum
one-seeded pussypaws 54%
Calyptridium monospermum
Linum lewisii
Lewis flax 54%
Linum lewisii
Arctostaphylos nevadensis
pinemat manzanita 54%
Arctostaphylos nevadensis
Dicentra uniflora
longhorn steer's-head 54%
Dicentra uniflora
Phlox diffusa
spreading phlox 54%
Phlox diffusa
Arnica chamissonis
Chamisso arnica 54%
Arnica chamissonis
Collinsia parviflora
maiden blue eyed Mary 53%
Collinsia parviflora
Lithophragma tenellum
slender woodland-star 53%
Lithophragma tenellum
Aconitum columbianum
Columbian monkshood 52%
Aconitum columbianum
Erigeron eatonii
Eaton's fleabane 52%
Erigeron eatonii
Pinus monticola
western white pine 52%
Pinus monticola
Ceanothus cordulatus
mountain whitethorn 52%
Ceanothus cordulatus
Pinus ponderosa
ponderosa pine 51%
Pinus ponderosa
Abies concolor
white fir 51%
Abies concolor
Streptanthus tortuosus
shieldleaf 51%
Streptanthus tortuosus
Fragaria virginiana
Virginia strawberry 51%
Fragaria virginiana
Crepis occidentalis
largeflower hawksbeard 51%
Crepis occidentalis
Senecio triangularis
arrowleaf groundsel 51%
Senecio triangularis
Cirsium scariosum
meadow thistle 50%
Cirsium scariosum
Corallorhiza maculata
spotted coralroot 50%
Corallorhiza maculata
Castilleja pilosa
parrothead Indian paintbrush 50%
Castilleja pilosa
Holodiscus discolor
ocean-spray 50%
Holodiscus discolor
Penstemon rydbergii
Rydberg's penstemon 50%
Penstemon rydbergii
Phyllodoce breweri
purple mountain heath 50%
Phyllodoce breweri
Penstemon davidsonii
Davidson's penstemon 50%
Penstemon davidsonii
Phacelia hastata
silverleaf phacelia 50%
Phacelia hastata
Chaenactis douglasii
Douglas' dustymaiden 49%
Chaenactis douglasii
Actaea rubra
baneberry 49%
Actaea rubra
Acer glabrum
Rocky Mountain maple 49%
Acer glabrum
Taraxia tanacetifolia
tansyleaf evening-primrose 49%
Taraxia tanacetifolia
Lupinus lepidus
Pacific lupine 49%
Lupinus lepidus
Phoenicaulis cheiranthoides
daggerpod 49%
Phoenicaulis cheiranthoides
Primula tetrandra
alpine shooting star 48%
Primula tetrandra
Lithophragma glabrum
bulbous woodland-star 48%
Lithophragma glabrum
Chamaenerion angustifolium
fireweed 48%
Chamaenerion angustifolium
Microseris nutans
nodding microseris 48%
Microseris nutans
Ceanothus velutinus
snowbrush ceanothus 48%
Ceanothus velutinus
Platanthera sparsiflora
few-flowered bog orchid 48%
Platanthera sparsiflora
Potentilla gracilis
slender cinquefoil 48%
Potentilla gracilis
Montia chamissoi
water miner's-lettuce 47%
Montia chamissoi
Erythranthe primuloides
primrose monkeyflower 47%
Erythranthe primuloides
Senecio integerrimus
lambstongue ragwort 47%
Senecio integerrimus
Aquilegia formosa
crimson columbine 47%
Aquilegia formosa
Arnica cordifolia
heartleaf arnica 47%
Arnica cordifolia
Eriogonum umbellatum
sulphur-flower wild buckwheat 47%
Eriogonum umbellatum
Ranunculus glaberrimus
sagebrush buttercup 47%
Ranunculus glaberrimus
Linanthus pungens
granite prickly-phlox 47%
Linanthus pungens
Eremogone congesta
ballhead sandwort 47%
Eremogone congesta
Pseudotsuga menziesii
Douglas fir 47%
Pseudotsuga menziesii
Perideridia bolanderi
Bolander's yampah 47%
Perideridia bolanderi
Allium obtusum
red Sierran onion 47%
Allium obtusum
Barbarea orthoceras
American wintercress 46%
Barbarea orthoceras
Nuphar polysepala
Western yellow pond-lily 46%
Nuphar polysepala
Sambucus racemosa
red elderberry 46%
Sambucus racemosa
Sidalcea oregana
Oregon checker-mallow 46%
Sidalcea oregana
Agoseris monticola
Sierra Nevada agoseris 46%
Agoseris monticola
Cystopteris fragilis
brittle bladderfern 46%
Cystopteris fragilis
Iris missouriensis
Rocky Mountain iris 46%
Iris missouriensis
Eriophyllum lanatum
Oregon sunshine 46%
Eriophyllum lanatum
Stellaria longipes
longstalk starwort 46%
Stellaria longipes
Salix scouleriana
Scouler's willow 46%
Salix scouleriana
Pinus jeffreyi
Jeffrey pine 46%
Pinus jeffreyi
Viola macloskeyi
small white violet 45%
Viola macloskeyi
Salix boothii
Booth's willow 45%
Salix boothii
Elymus elymoides
bottlebrush squirreltail 45%
Elymus elymoides
Allium campanulatum
dusky onion 45%
Allium campanulatum
Antennaria rosea
rosy pussytoes 45%
Antennaria rosea
Erythranthe moschata
musk monkeyflower 45%
Erythranthe moschata
Microsteris gracilis
slender phlox 44%
Microsteris gracilis
Pyrola picta
white-veined wintergreen 44%
Pyrola picta
Amelanchier alnifolia
western serviceberry 44%
Amelanchier alnifolia
Prunus emarginata
bitter cherry 44%
Prunus emarginata
Tsuga mertensiana
mountain hemlock 44%
Tsuga mertensiana
Erythronium purpurascens
purple fawnlily 44%
Erythronium purpurascens
Anaphalis margaritacea
pearly everlasting 44%
Anaphalis margaritacea
Packera cana
woolly groundsel 44%
Packera cana
Polygonum douglasii
Douglas' knotweed 44%
Polygonum douglasii
Eriogonum marifolium
marum-leaf wild buckwheat 44%
Eriogonum marifolium
Arnica longifolia
spear-leaf arnica 44%
Arnica longifolia
Apocynum androsaemifolium
spreading dogbane 44%
Apocynum androsaemifolium
Lewisia nevadensis
Nevada bitterroot 44%
Lewisia nevadensis
Abies magnifica
red fir 44%
Abies magnifica
Lewisia rediviva
bitterroot 44%
Lewisia rediviva
Leucocrinum montanum
sand lily 43%
Leucocrinum montanum
Sabulina nuttallii
Nuttall's sandwort 43%
Sabulina nuttallii
Populus tremuloides
quaking aspen 43%
Populus tremuloides
Pedicularis groenlandica
elephant's head 43%
Pedicularis groenlandica
Erythranthe breweri
Brewer's monkey-flower 43%
Erythranthe breweri
Salix lemmonii
Lemmon's willow 43%
Salix lemmonii
Erythranthe guttata
common monkey-flower 43%
Erythranthe guttata
Trifolium kingii
King's clover 43%
Trifolium kingii
Ericameria nauseosa
rubber rabbitbrush 43%
Ericameria nauseosa
Ceanothus prostratus
prostrate ceanothus 43%
Ceanothus prostratus
Chrysolepis sempervirens
bush chinquapin 43%
Chrysolepis sempervirens
Lupinus caudatus
tailcup lupine 43%
Lupinus caudatus
Pulsatilla occidentalis
western pasqueflower 43%
Pulsatilla occidentalis
Salix lasiandra
Pacific willow 43%
Salix lasiandra
Eremogone kingii
King's sandwort 42%
Eremogone kingii
Penstemon deustus
scabland penstemon 42%
Penstemon deustus
Corydalis caseana
Sierra corydalis 42%
Corydalis caseana
Anemone drummondii
Drummond's anemone 42%
Anemone drummondii
Diplacus mephiticus
foul odor monkeyflower 42%
Diplacus mephiticus
Vicia americana
American vetch 42%
Vicia americana
Bistorta bistortoides
American bistort 42%
Bistorta bistortoides
Alnus incana
gray alder 42%
Alnus incana
Pedicularis centranthera
dwarf lousewort 42%
Pedicularis centranthera
Letharia vulpina
wolf lichen 42%
Letharia vulpina
Physaria occidentalis
western bladderpod 42%
Physaria occidentalis
Allium platycaule
broadstem onion 42%
Allium platycaule
Astragalus purshii
woolly-pod milk-vetch 42%
Astragalus purshii
Valeriana californica
California valerian 42%
Valeriana californica
Tragopogon dubius
yellow salsify 42%
Tragopogon dubius
Pterospora andromedea
woodland pinedrops 42%
Pterospora andromedea
Eriocoma occidentalis
western needlegrass 42%
Eriocoma occidentalis
Arceuthobium campylopodum
western dwarf mistletoe 42%
Arceuthobium campylopodum
Cercocarpus ledifolius
curl-leaf mountain-mahogany 41%
Cercocarpus ledifolius
Hackelia nervosa
Sierran stickseed 41%
Hackelia nervosa
Erythranthe tilingii
Tiling's monkeyflower 41%
Erythranthe tilingii
Ribes viscosissimum
sticky currant 41%
Ribes viscosissimum
Rosa woodsii
Wood's rose 41%
Rosa woodsii
Ipomopsis congesta
ballhead ipomopsis 41%
Ipomopsis congesta
Ribes roezlii
Sierra gooseberry 41%
Ribes roezlii
Erythronium grandiflorum
glacier lily 41%
Erythronium grandiflorum
Poa cusickii
Cusick's bluegrass 41%
Poa cusickii
Castilleja chromosa
desert paintbrush 41%
Castilleja chromosa
Brachythecium frigidum
cold brachythecium moss 41%
Brachythecium frigidum
Paeonia brownii
Brown's peony 41%
Paeonia brownii
Lewisia triphylla
threeleaf lewisia 40%
Lewisia triphylla
Hackelia micrantha
Jessica's stickseed 40%
Hackelia micrantha
Veronica americana
American speedwell 40%
Veronica americana
Juncus balticus
Baltic rush 40%
Juncus balticus
Sagina saginoides
alpine pearlwort 40%
Sagina saginoides
Noccaea fendleri
alpine pennycress 40%
Noccaea fendleri
Cymopterus terebinthinus
turpentine cymopterus 40%
Cymopterus terebinthinus
Poa wheeleri
Wheeler's bluegrass 40%
Poa wheeleri
Cornus nuttallii
Pacific dogwood 40%
Cornus nuttallii
Boechera retrofracta
reflexed rockcress 40%
Boechera retrofracta
Kalmia microphylla
alpine laurel 40%
Kalmia microphylla
Micranthes odontoloma
brook saxifrage 40%
Micranthes odontoloma
Arnica dealbata
mock leopardbane 40%
Arnica dealbata
Geum triflorum
prairie smoke 40%
Geum triflorum
Ranunculus aquatilis
white water buttercup 40%
Ranunculus aquatilis
Lupinus argenteus
silvery lupine 39%
Lupinus argenteus
Viola praemorsa
canary violet 39%
Viola praemorsa
Balsamorhiza hookeri
Hooker's balsamroot 39%
Balsamorhiza hookeri
Drymocallis pseudorupestris
cliff wood-beauty 39%
Drymocallis pseudorupestris
Galium bifolium
twin-leaf bedstraw 39%
Galium bifolium
Carex rossii
Ross sedge 39%
Carex rossii
Berberis repens
creeping Oregon-grape 39%
Berberis repens
Stenotus acaulis
stemless goldenweed 39%
Stenotus acaulis
Pinus albicaulis
whitebark pine 39%
Pinus albicaulis
Eriogonum rosense
Mount Rose wild buckwheat 39%
Eriogonum rosense
Erigeron pumilus
shaggy fleabane 39%
Erigeron pumilus
Horkelia fusca
dusky horkelia 39%
Horkelia fusca
Vaccinium uliginosum
bog blueberry 39%
Vaccinium uliginosum
Agoseris aurantiaca
orange agoseris 39%
Agoseris aurantiaca
Myriopteris gracillima
lace lip fern 39%
Myriopteris gracillima
Lupinus angustiflorus
narrowflower lupine 39%
Lupinus angustiflorus
Boechera platysperma
flat-seed rock-cress 39%
Boechera platysperma
Pseudostellaria jamesiana
sticky starwort 39%
Pseudostellaria jamesiana
Sorbus scopulina
Cascade mountain ash 39%
Sorbus scopulina
Antennaria dimorpha
low pussytoes 39%
Antennaria dimorpha
Prunus virginiana
chokecherry 39%
Prunus virginiana
Crepis acuminata
tapertip hawksbeard 39%
Crepis acuminata
Grimmia alpestris
grimmia dry rock moss 39%
Grimmia alpestris
Viola sheltonii
Shelton's violet 39%
Viola sheltonii
Oenothera cespitosa
tufted evening-primrose 39%
Oenothera cespitosa
Hieracium horridum
prickly hawkweed 39%
Hieracium horridum
Achillea millefolium
yarrow 39%
Achillea millefolium
Erigeron divergens
spreading fleabane 38%
Erigeron divergens
Micranthes bryophora
bud saxifrage 38%
Micranthes bryophora
Silene bernardina
Palmer's catchfly 38%
Silene bernardina
Drymocallis lactea
Sierran woodbeauty 38%
Drymocallis lactea
Lathyrus graminifolius
grassleaf pea 38%
Lathyrus graminifolius
Lupinus arbustus
long-spur lupine 38%
Lupinus arbustus
Primula conjugens
Bonneville shooting star 38%
Primula conjugens
Phoradendron juniperinum
juniper mistletoe 38%
Phoradendron juniperinum
Sidalcea glaucescens
waxy checkermallow 38%
Sidalcea glaucescens
Ribes inerme
whitestem gooseberry 38%
Ribes inerme
Lewisia brachycalyx
short-sepal bitter-root 38%
Lewisia brachycalyx
Mertensia oblongifolia
oblong-leaf bluebells 38%
Mertensia oblongifolia
Toxicoscordion venenosum
meadow death camas 38%
Toxicoscordion venenosum
Trifolium monanthum
mountain carpet clover 38%
Trifolium monanthum
Pinus contorta
lodgepole pine 38%
Pinus contorta
Hesperochiron pumilus
dwarf hesperochiron 38%
Hesperochiron pumilus
Ribes nevadense
Sierra currant 38%
Ribes nevadense
Thalictrum fendleri
Fendler's meadow-rue 38%
Thalictrum fendleri
Ceanothus pinetorum
Coville ceanothus 38%
Ceanothus pinetorum
Draba aureola
Mt. Lassen draba 38%
Draba aureola
Spiranthes romanzoffiana
hooded ladies'-tresses 37%
Spiranthes romanzoffiana
Collomia larsenii
talus collomia 37%
Collomia larsenii
Lecidea laboriosa
working tile lichen 37%
Lecidea laboriosa
Agoseris parviflora
steppe agoseris 37%
Agoseris parviflora
Senecio aronicoides
rayless ragwort 37%
Senecio aronicoides
Carex utriculata
Northwest Territory sedge 37%
Carex utriculata
Carex simulata
analogue sedge 37%
Carex simulata
Boechera pinetorum
woodland rockcress 37%
Boechera pinetorum
Arnica fulgens
foothill arnica 37%
Arnica fulgens
Ranunculus andersonii
pink buttercup 37%
Ranunculus andersonii
Cryptogramma acrostichoides
American rockbrake 37%
Cryptogramma acrostichoides
Eriogonum nudum
barestem wild buckwheat 37%
Eriogonum nudum
Trifolium andersonii
fiveleaf clover 37%
Trifolium andersonii
Chamaebatiaria millefolium
fern bush 37%
Chamaebatiaria millefolium
Sarcodes sanguinea
snowplant 37%
Sarcodes sanguinea
Viola vallicola
valley violet 37%
Viola vallicola
Hydrophyllum capitatum
ball-head waterleaf 37%
Hydrophyllum capitatum
Rhizoplaca melanophthalma
green rock-posy lichen 37%
Rhizoplaca melanophthalma
Phlox stansburyi
cold-desert phlox 37%
Phlox stansburyi
Poa secunda
big bluegrass 37%
Poa secunda
Diplacus nanus
dwarf purple monkey-flower 37%
Diplacus nanus
Toxicoscordion paniculatum
foothill death camas 37%
Toxicoscordion paniculatum
Sisyrinchium idahoense
Idaho blue-eyed grass 36%
Sisyrinchium idahoense
Castilleja martini
Martin's Indian paintbrush 36%
Castilleja martini
Aphyllon fasciculatum
clustered broomrape 36%
Aphyllon fasciculatum
Corydalis aurea
golden corydalis 36%
Corydalis aurea
Arceuthobium douglasii
Douglas-fir dwarf mistletoe 36%
Arceuthobium douglasii
Ribes montigenum
mountain gooseberry 36%
Ribes montigenum
Delphinium menziesii
Menzies' larkspur 36%
Delphinium menziesii
Perideridia parishii
Parish's yampah 36%
Perideridia parishii
Packera multilobata
lobeleaf groundsel 36%
Packera multilobata
Penstemon speciosus
royal penstemon 36%
Penstemon speciosus
Polemonium pulcherrimum
showy Jacob's-ladder 36%
Polemonium pulcherrimum
Salix eastwoodiae
Eastwood's willow 36%
Salix eastwoodiae
Juncus nevadensis
Nevada rush 36%
Juncus nevadensis
Erysimum perenne
sand dune wallflower 36%
Erysimum perenne
Menyanthes trifoliata
buckbean 36%
Menyanthes trifoliata
Lomatium nevadense
Nevada biscuitroot 36%
Lomatium nevadense
Viola bakeri
Baker's violet 36%
Viola bakeri
Hydrophyllum occidentale
western waterleaf 36%
Hydrophyllum occidentale
Luzula comosa
Pacific woodrush 36%
Luzula comosa
Paxistima myrsinites
mountain lover 36%
Paxistima myrsinites
Packera indecora
elegant groundsel 36%
Packera indecora
Castilleja linariifolia
Wyoming Indian paintbrush 36%
Castilleja linariifolia
Fritillaria pinetorum
pinewoods fritillary 36%
Fritillaria pinetorum
Polygonum polygaloides
milkwort knotweed 36%
Polygonum polygaloides
Lithospermum ruderale
western stoneseed 36%
Lithospermum ruderale
Collomia linearis
tiny trumpet 36%
Collomia linearis
Phlox hoodii
spiny phlox 36%
Phlox hoodii
Boechera inyoensis
Inyo rockcress 36%
Boechera inyoensis
Trifolium gymnocarpon
hollyleaf clover 36%
Trifolium gymnocarpon
Prunus andersonii
desert peach 36%
Prunus andersonii
Bromus carinatus
California brome 35%
Bromus carinatus
Dieteria canescens
hoary aster 35%
Dieteria canescens
Lomatium simplex
Great Basin biscuitroot 35%
Lomatium simplex
Viola nephrophylla
northern bog violet 35%
Viola nephrophylla
Botrychium simplex
little grapefern 35%
Botrychium simplex
Polystichum scopulinum
mountain hollyfern 35%
Polystichum scopulinum
Juniperus occidentalis
western juniper 35%
Juniperus occidentalis
Lupinus elatus
tall silky lupine 35%
Lupinus elatus
Carex specifica
narrowfruit sedge 35%
Carex specifica
Epilobium ciliatum
fringed willowherb 35%
Epilobium ciliatum
Syntrichia ruralis
sidewalk moss 35%
Syntrichia ruralis
Carex nebrascensis
Nebraska sedge 35%
Carex nebrascensis
Phacelia hydrophylloides
waterleaf phacelia 35%
Phacelia hydrophylloides
Poa bolanderi
Bolander's bluegrass 35%
Poa bolanderi
Philonotis fontana
spring moss 35%
Philonotis fontana
Cornus sericea
red osier dogwood 35%
Cornus sericea
Phlox longifolia
longleaf phlox 35%
Phlox longifolia
Lathyrus lanszwertii
Aspen peavine 35%
Lathyrus lanszwertii
Maianthemum stellatum
starry Solomon's seal 35%
Maianthemum stellatum
Draba albertina
slender draba 35%
Draba albertina
Arceuthobium americanum
American dwarf mistletoe 35%
Arceuthobium americanum
Boechera pauciflora
hairystem rockcress 35%
Boechera pauciflora
Heterotheca villosa
hairy goldenaster 35%
Heterotheca villosa
Polemonium occidentale
western Jacob's-ladder 35%
Polemonium occidentale
Fritillaria pudica
yellow bells 35%
Fritillaria pudica
Micranthes nidifica
peak saxifrage 35%
Micranthes nidifica
Calochortus minimus
Sierra mariposa lily 35%
Calochortus minimus
Collomia tinctoria
staining collomia 35%
Collomia tinctoria
Pohlia cruda
opal nodding moss 34%
Pohlia cruda
Phlox muscoides
squarestem phlox 34%
Phlox muscoides
Crepis modocensis
Modoc hawksbeard 34%
Crepis modocensis
Agoseris glauca
pale agoseris 34%
Agoseris glauca
Phacelia heterophylla
varileaf phacelia 34%
Phacelia heterophylla
Lomatium bicolor
Wasatch desert-parsley 34%
Lomatium bicolor
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