| 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 | ||
|
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. | ||