| Criteria: found in Humboldt County • is native • group by lifeform | ||||
| 2908 records | include photos for these plants | # number of sources | ||
| Scientific Name | Common Name | Lifeform | # |
Lifeform: Annual | 605 plants | ||
|
Lifeform: Biennial | 3 plants | ||
|
Lifeform: Perennial | 1807 plants | ||
Lifeform: Fern | 62 plants | ||
| Adiantum Xtracyi | Fern | 2 | |
| Adiantum aleuticum | Five finger fern | Fern | 9 |
| Adiantum capillus-veneris | Venus hair | Fern | 14 |
| Adiantum jordanii | Adiantum | Fern | 4 |
| Aspidotis californica | California lace fern | Fern | 1 |
| Aspidotis densa | Lace fern | Fern | 1 |
| Athyrium distentifolium | Fern | ||
| Athyrium distentifolium var. americanum | American alpine lady fern | Fern | |
| Athyrium filix-femina | Common ladyfern | Fern | 19 |
| Athyrium filix-femina ssp. cyclosorum | Subarctic ladyfern | Fern | |
| Athyrium filix-femina var. cyclosorum | Western lady fern | Fern | 1 |
| Azolla filiculoides | Mosquito fern | Fern | |
| Azolla mexicana | Mexican mosquito fern | Fern | |
| Azolla microphylla | Mexican mosquito fern | Fern | |
| Blechnum spicant | Deer fern | Fern | 30 |
| Botrychium multifidum | Common grapefern | Fern | |
| Cheilanthes gracillima | Lace lip fern | Fern | 1 |
| Cryptogramma acrostichoides | American parsley fern | Fern | |
| Cystopteris fragilis | Brittle fern | Fern | 1 |
| Dryopteris arguta | Wood fern | Fern | 7 |
| Dryopteris expansa | Spreading wood fern | Fern | 4 |
| Equisetum arvense | Common horsetail | Fern | 6 |
| Equisetum hyemale | Scouringrush horsetail | Fern | 31 |
| Equisetum hyemale ssp. affine | Giant scouring rush | Fern | 7 |
| Equisetum hyemale var. affine | Scouringrush horsetail | Fern | 4 |
| Equisetum laevigatum | Smooth scouring rush | Fern | 2 |
| Equisetum telmateia | Giant horsetail | Fern | 3 |
| Equisetum telmateia ssp. braunii | Giant horsetail | Fern | 1 |
| Equisetum telmateia var. braunii | Giant horsetail | Fern | 1 |
| Isoetes bolanderi | Bolander's quillwort | Fern | |
| Isoetes echinospora | Spiny spored quillwort | Fern | |
| Isoetes howellii | Quillwort | Fern | |
| Isoetes nuttallii | Nuttall's quillwort | Fern | |
| Lycopodiella inundata | Bog club moss | Fern (rhizomatous) | |
| Lycopodium clavatum | Running pine | Fern (rhizomatous) | |
| Myriopteris gracillima | Lace lip fern | Fern | 1 |
| Pellaea andromedifolia | Coffee fern | Fern | 3 |
| Pellaea brachyptera | Sierra cliff brake | Fern | |
| Pellaea mucronata | Bird's foot fern | Fern | 2 |
| Pellaea mucronata var. mucronata | Bird's foot fern | Fern | |
| Pentagramma triangularis | Gold back fern | Fern | 3 |
| Pentagramma triangularis ssp. semipallida | Pale gold back fern | Fern | 3 |
| Pentagramma triangularis ssp. triangularis | Gold back fern | Fern | |
| Polypodium californicum | California polypody | Fern | 12 |
| Polypodium calirhiza | Licorice fern | Fern | 3 |
| Polypodium glycyrrhiza | Licorice fern | Fern | 8 |
| Polypodium hesperium | Western polypody | Fern | |
| Polypodium scouleri | Leather fern | Fern | 8 |
| Polystichum californicum | California sword fern | Fern | |
| Polystichum imbricans | Narrow leaved sword fern | Fern | 1 |
| Polystichum imbricans ssp. curtum | Cliff sword fern | Fern | |
| Polystichum imbricans ssp. imbricans | Rock sword fern | Fern | |
| Polystichum lonchitis | Holly fern | Fern (rhizomatous) | |
| Polystichum munitum | Western sword fern | Fern | 43 |
| Polystichum scopulinum | Mountain holly fern | Fern | |
| Pteridium aquilinum | Western brackenfern | Fern | 5 |
| Pteridium aquilinum var. pubescens | Western bracken fern | Fern | |
| Selaginella oregana | Oregon spike moss | Fern (mosslike) | |
| Selaginella wallacei | Wallace's spike moss | Fern (mosslike) | |
| Struthiopteris spicant | Deer fern | Fern | 30 |
| Thelypteris nevadensis | Sierra marsh fern | Fern | |
| Woodwardia fimbriata | Western chain fern | Fern | 31 |
|
Lifeform: Shrub | 346 plants | ||
|
Lifeform: Tree | 67 plants | ||
| Abies Xshastensis | Shasta red fir | Tree | |
| Abies concolor | White fir | Tree | 22 |
| Abies concolor var. lowiana | California white fir | Tree | |
| Abies grandis | Grand fir | Tree | 16 |
| Abies magnifica | Magnificant silver fir | Tree | 3 |
| Abies magnifica var. magnifica | California red fir | Tree | |
| Abies magnifica var. shastensis | Shasta red fir | Tree | |
| Abies procera | Noble fir | Tree | 14 |
| Acer macrophyllum | Bigleaf maple | Tree | 52 |
| Acer negundo | Boxelder | Tree | 30 |
| Acer negundo var. californicum | California box elder | Tree | 30 |
| Aesculus californica | Buckeye | Tree | 46 |
| Alnus rhombifolia | White alder | Tree | 38 |
| Arbutus menziesii | Madrono | Tree | 36 |
| Callitropsis macrocarpa | Monterey cypress | Tree | 5 |
| Callitropsis nootkatensis | Alaska cedar | Tree | 10 |
| Calocedrus decurrens | Incense cedar | Tree | 40 |
| Chamaecyparis lawsoniana | Port orford cedar | Tree | 14 |
| Cornus sessilis | Western cornelian cherry | Tree | 6 |
| Cupressus lawsoniana | Port orford cedar | Tree | 14 |
| Cupressus macrocarpa | Monterey cypress | Tree | 24 |
| Cupressus nootkatensis | Alaska cedar | Tree | 1 |
| Fraxinus latifolia | Oregon ash | Tree | 29 |
| Hesperocyparis macrocarpa | Monterey cypress | Tree | 24 |
| Juniperus occidentalis | Western juniper | Tree | 2 |
| Picea sitchensis | Sitka spruce | Tree | 18 |
| Pinus attenuata | Knobcone pine | Tree | 6 |
| Pinus contorta | Lodgepole pine | Tree | 30 |
| Pinus contorta ssp. bolanderi | Bolander's beach pine | Tree | 1 |
| Pinus contorta ssp. contorta | Shore pine | Tree | 12 |
| Pinus jeffreyi | Jeffrey pine | Tree | 17 |
| Pinus lambertiana | Sugar pine | Tree | 13 |
| Pinus monticola | Western white pine | Tree | 10 |
| Pinus muricata | Bishop pine | Tree | 12 |
| Pinus ponderosa | Yellow pine | Tree | 29 |
| Pinus ponderosa var. ponderosa | North plateau ponderosa pine | Tree | 2 |
| Pinus radiata | Monterey pine | Tree | 8 |
| Pinus sabiniana | Gray pine | Tree | 28 |
| Platanus racemosa | California sycamore | Tree | 36 |
| Populus balsamifera ssp. trichocarpa | Black cottonwood | Tree | 27 |
| Populus fremontii | Fremont cottonwood | Tree | 32 |
| Populus fremontii ssp. fremontii | Cottonwood | Tree | 4 |
| Populus trichocarpa | Black cottonwood | Tree | 27 |
| Pseudotsuga menziesii | Douglas fir | Tree | 31 |
| Pseudotsuga menziesii var. menziesii | Douglas fir | Tree | 4 |
| Quercus Xmorehus | Oracle oak | Tree | 1 |
| Quercus agrifolia | Coast live oak | Tree | 52 |
| Quercus chrysolepis | Gold cup live oak | Tree | 24 |
| Quercus chrysolepis var. nana | Canyon live oak | Tree | 25 |
| Quercus douglasii | Blue oak | Tree | 26 |
| Quercus garryana | Oregon oak | Tree | 25 |
| Quercus garryana var. breweri | Oregon oak | Tree | 2 |
| Quercus garryana var. garryana | Oregon oak | Tree | 1 |
| Quercus kelloggii | California black oak | Tree | 24 |
| Quercus parvula | Santa cruz island oak | Tree | 1 |
| Quercus parvula var. shrevei | Shreve's oak | Tree | 1 |
| Salix laevigata | Polished willow | Tree | 17 |
| Salix lasiandra | Pacific willow | Tree | 20 |
| Salix lasiandra var. lasiandra | Pacific willow | Tree | 6 |
| Salix lucida ssp. lasiandra | Shining willow | Tree | 6 |
| Sequoia sempervirens | Coast redwood | Tree | 33 |
| Sequoiadendron giganteum | Redwood | Tree | 19 |
| Taxus brevifolia | California yew | Tree | 11 |
| Thuja plicata | Western red cedar | Tree | 22 |
| Tsuga heterophylla | Western hemlock | Tree | 14 |
| Tsuga mertensiana | Patton spruce | Tree | 13 |
| Umbellularia californica | California bay | Tree | 40 |
|
Pink background indicates a plant is non-native.
! indicates a plant is potentially invasive. |
||
| NB: found in Humboldt County is intended to indicate only plants found growing in the wild. However, the evidence is not always clear, and may occasionally include plants found in cultivation. To verify the wild presence of any particular plant in the list above, please click through to Calflora and look closely at the observations in this county. | ||