| Criteria: found in Orange County • is native • group by lifeform | ||||
| 1989 records | include photos for these plants | # number of sources | ||
| Scientific Name | Common Name | Lifeform | # |
Lifeform: Annual | 698 plants | ||
|
Lifeform: Biennial | 3 plants | ||
|
Lifeform: Perennial | 806 plants | ||
Lifeform: Fern | 49 plants | ||
| Adiantum capillus-veneris | Venus hair | Fern | 14 |
| Adiantum jordanii | Adiantum | Fern | 4 |
| Aspidotis californica | California lace fern | Fern | 1 |
| Asplenium vespertinum | Western spleenwort | Fern | |
| Athyrium filix-femina | Common ladyfern | Fern | 19 |
| Azolla filiculoides | Mosquito fern | Fern | |
| Cheilanthes clevelandii | Cleveland's lipfern | Fern | |
| Cheilanthes covillei | Coville's lip fern | Fern | 4 |
| Cheilanthes newberryi | Newberry's lipfern | Fern | |
| Cystopteris fragilis | Brittle fern | Fern | 1 |
| Dryopteris arguta | Wood fern | Fern | 7 |
| 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 |
| Marsilea vestita | Hairy waterclover | Fern | 6 |
| Marsilea vestita ssp. vestita | Hairy pepperwort | Fern | 5 |
| Myriopteris clevelandii | Cleveland's lip fern | Fern | |
| Myriopteris covillei | Coville's lip fern | Fern | 4 |
| Myriopteris newberryi | Newberry's lip fern | Fern | |
| Notholaena californica | California cloak fern | Fern | |
| Notholaena californica ssp. californica | California cloak fern | Fern | |
| Ophioglossum californicum | California adder's tongue | Fern (rhizomatous) | |
| Pellaea andromedifolia | Coffee fern | Fern | 3 |
| Pellaea mucronata | Bird's foot fern | Fern | 2 |
| Pellaea mucronata var. californica | Bird's foot fern | Fern | |
| Pellaea mucronata var. mucronata | Bird's foot fern | Fern | |
| Pentagramma glanduloviscida | 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 | |
| Pentagramma triangularis ssp. viscosa | Sticky gold back fern | Fern | |
| Pentagramma viscosa | Sticky gold back fern | Fern | |
| Pilularia americana | Pillwort | Fern | |
| Polypodium californicum | California polypody | Fern | 12 |
| 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) | |
| Pteridium aquilinum | Western brackenfern | Fern | 5 |
| Pteridium aquilinum var. pubescens | Western bracken fern | Fern | |
| Selaginella asprella | Bluish spike moss | Fern (rhizomatous) | |
| Selaginella bigelovii | Bigelow's moss fern | Fern (mosslike) | 2 |
| Selaginella cinerascens | Ashy spike moss | Fern (rhizomatous) | |
| Woodwardia fimbriata | Western chain fern | Fern | 31 |
|
Lifeform: Shrub | 370 plants | ||
|
Lifeform: Tree | 57 plants | ||
| 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 | 35 |
| Callitropsis forbesii | Tecate cypress | Tree | 3 |
| Calocedrus decurrens | Incense cedar | Tree | 40 |
| Cupressus forbesii | Tecate cypress | Tree | 7 |
| Cupressus macrocarpa | Monterey cypress | Tree | 24 |
| Fraxinus latifolia | Oregon ash | Tree | 29 |
| Fraxinus velutina | Arizona ash | Tree | 11 |
| Hesperocyparis forbesii | Tecate cypress | Tree | 7 |
| Hesperocyparis macrocarpa | Monterey cypress | Tree | 24 |
| Hesperocyparis stephensonii | Cuyamaca cypress | Tree | 21 |
| Juglans californica | Southern california black walnut | Tree | 12 |
| Juglans californica var. californica | Southern california black walnut | Tree | 12 |
| Juglans californica var. hindsii | Northern california black walnut | Tree | 13 |
| Juglans hindsii | Northern california black walnut | Tree | 13 |
| Lyonothamnus floribundus | Island ironwood | Tree | 15 |
| Pinus attenuata | Knobcone pine | Tree | 6 |
| Pinus coulteri | Coulter pine | Tree | 13 |
| Pinus muricata | Bishop pine | Tree | 12 |
| Pinus ponderosa | Yellow pine | Tree | 29 |
| Pinus radiata | Monterey pine | Tree | 8 |
| Pinus sabiniana | Gray pine | Tree | 28 |
| Pinus torreyana | Island torrey pine | Tree | 14 |
| Pinus torreyana ssp. insularis | Santa rosa isl. torrey pine | Tree | |
| Pinus torreyana ssp. torreyana | Torrey pine | Tree | 1 |
| Platanus racemosa | California sycamore | Tree | 36 |
| Platanus racemosa var. wrightii | Arizona sycamore | Tree | 5 |
| 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 |
| Prunus ilicifolia ssp. lyonii | Island cherry | Tree | 24 |
| Pseudotsuga macrocarpa | Bigcone spruce | Tree | 3 |
| Quercus Xmacdonaldii | Macdonald's oak | Tree | |
| Quercus Xmorehus | Oracle oak | Tree | 1 |
| Quercus agrifolia | Coast live oak | Tree | 52 |
| Quercus agrifolia var. agrifolia | Coast live oak | Tree | 3 |
| Quercus agrifolia var. oxyadenia | Southern coast live oak | Tree | |
| Quercus berberidifolia | Inland scrub oak | Tree | 13 |
| Quercus chrysolepis | Gold cup live oak | Tree | 24 |
| Quercus cornelius-mulleri | Desert scrub oak | Tree | 1 |
| Quercus engelmannii | Engelmann oak | Tree | 10 |
| Quercus kelloggii | California black oak | Tree | 24 |
| Quercus lobata | Valley oak | Tree | 40 |
| Salix gooddingii | Gooding's willow | Tree | 7 |
| 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 |
| Thuja plicata | Western red cedar | Tree | 22 |
| Umbellularia californica | California bay | Tree | 40 |
| Washingtonia filifera | California fan palm | Tree | 9 |
| Yucca brevifolia | Joshua tree | Tree | 15 |
|
Lifeform: Vine | 1 plant | ||
|
Pink background indicates a plant is non-native.
! indicates a plant is potentially invasive. |
||
| NB: found in Orange 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. | ||