Cal. Code Regs. Tit. 23, div. 1, ch. 1, art. 8, fig. 8.10 and Tables 8.2 through 8.5

Current through Register 2024 Notice Reg. No. 45, November 8, 2024
Figure 8.10 and Tables 8.2 through 8.5

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Table 8.2

Partial List of Trees Suitable for Oversize Levees

Alder, whiteAlnus rhombifolia
Box ElderAcer negundo
California pepper tree (male only)Schinus molle
Carob tree (male only)Ceratonia siliqua
China-berryMelia azedarach
Chinese pistachePistacia chinensis
Coast beefwoodCasuarina stricta
Common catalpaCatalpa bignonioides
Crape myrtleLagerstroemia indica
Dogwood, giantCornus controversa
Dogwood, WesternCornus nuttallii
Fremont cottonwood (male only)Populus fremontii
Goldenrain treeKoelreuteria paniculata
Hackberry, ChineseCeltis sinenis
Hackberry, commonCeltis occidentalis
Hackberry, EuropeanCeltis australis
Maidenhair tree (male only)Gingko biloba
Mayten treeMaytenus boaria
Montezuma cypressTaxodium mucrontum
OakOuercus spp.*
Pagoda treeSophora japonica
Redbud, westernCercis occidentalis
Redbud, easternCercis canadensis
Sawleaf zelkovaZelkova serrata
Silk treeAlbizia julibrissin
Strawberry treeArbutus unedo or Arbutus "marina"
Tallow treeSapium sebiferum
TupeloNyssa sylvatica

* spp. = species

Table 8.3

Partial List of Trees Unsuitable on Levees

Acacia, BaileyAcacia baileyana
Acacia, kangaroo thornAcacia armata
AlmondPrunus dulcis
Apple, crabappleMalus spp.*
ApricotPrunus armeniaca
Ash, ArizonaFraxinus velutina
Ash, floweringFraxinus ornus
Ash, ModestoFraxinum velutina "Modesto"
Blue gumEucalyptus globulus
Cedar**Cedrus spp.*
CherryPrunus ayium
Chinese jujubeZizyphus jujube
Chinese wingnutPterocarya stenoptera
CitrusCitrus spp.*
Coast redwoodSequoia sempervirens
Colorado sprucePicea pungens
Cypress**Cupressus spp.*
Date palmPhoenix spp.*
ElmUlmus spp.*
Fan palmWashingtonia spp.*
FigFicus carica
Fir**Abies spp.*
Giant sequoiaSequoiadendron giganteum
GrapeVitis spp.*
HawthornCrataegus spp.*
Incense cedar**Calocedrus decurrens
LocustRobinia spp.*
LoquatEriobotrya spp.*
OliveOlea europaea
Osage orangeMaclura pomifera
Peach and nectarinePrunus perica
PecanCarya illinoinensis
PersimmonDiospyros spp.*
Pine**Pinus spp.*
Plum and prunePrunus domestica, salicina
PomegranatePunica granatum
QuinceCydonia oblonga
Russian oliveElaegnus augustifolia
Salt CedarTamarisk gallica
Tree of heavenAilanthus altissima
WalnutJuglans spp.*

* spp. = species

** Conifers whose normal mature height is 50 feet or less may be considered desirable under maintenance conditions that (1) protect the tree from drought, and (2) will assure proper pruning of the lower branches.

Table 8.4

Partial List of Ground Covers Suitable on Levees

Aaron's Beard**Hypericum calycinum
AlyssumAlyssum spp.*
Basket-of-goldAurinia saxatile
Bermuda GrassCynodon dactylon "tifgreen" Cynodon dactylon "coastal" Cynodon dactylon "Tufcote"
Blue-eyed grassSisyrinchium bellum
California PoppyEschscholzia californica
Cape weedArctotheca calendula
Creeping wild rye**Elymus triticoides
English Ivy, miniature**Hedera helix, hahni
Garden lippiaPhyla nodiflora Lippia nodiflora
Gazania, trailing**Gazania spp.*
Green carpetHerniaria glabra
Lupine, dwarfLupinus bicolor
Mexican evening primrose**Oenothera berlandieri
Palestine orchardgrassDactylis glomerotoa "Palestine"
Salt grassDistichlis spicata
Spring CinquefoilPotentilla tabernaemontanii
StonecropSedum spp.*
Trailing African daisyOsteospermum fruticosum
VerbenaVerbena peruviana
Yellow-eyed grassSisyrinchium californicum

* spp. = species

** These species have specific requirements for being cut back or otherwise maintained on a regular basis depending on the species.

Table 8.5

Partial List of Ground Covers and Miscellaneous Species Unsuitable on Levees

BambooBambusa spp.*
Blackberry/RaspberryRubus spp.*
BroomCytisus spp.*
CactusCactaceae spp.*
Century PlantAgave americana
False Bamboo, Common ReedPhragmites communis
Freeway IceplantCarpobrotus spp.*
GrapeVitus spp.*
HoneysuckleLonicera spp.*
HorsetailEquisetum hyemale
Ice Plant, RoseaDrosanthemum floribundum
Ice Plant, trailingLampranthus, spectabulis
Ivy, AlgerianHedera canariensis
Ivy, PersianHedera colchica
Ivy, EnglishHederal helix
except miniature or
dwarf varieties
Pampas grassCortaderia selloana
PeriwinkleVinca spp.*
Perla GrassPhalaris tuberosa var. hirtiglumis
RoseRosa spp.*

* spp. = species

Cal. Code Regs. Tit. 23, div. 1, ch. 1, art. 8, fig. 8.10 and Tables 8.2 through 8.5