Los Angeles River
Plants and Animals
While our project collects data about all kingdoms of life, we recognize that when most people talk about biodiversity, they mean plants and animals. Here are the plants (Streptophyta) and animals (Metazoa) that we found at Hahamongna and Maywood.
We’ve broken up the data into species unique to each area and species found in both areas.
- Locations:
- Hahamongna
- Maywood Park
- Hahamongna & Maywood Park
63 species found only at Hahamongna

Animalia
Lepadella patella
Animalia
Chaetonotus antrumus

Animalia
Chaetogaster diastrophus
Animalia
Mertensiidae sp. Antarctica

Animalia
Arhynchite pugettensis

Animalia
Bos taurus
(domestic cow, domestic cattle, dairy cow...)
Animalia
Halichaetonotus schromi
Animalia
Strigeidae sp. RD-2003

Animalia
Proales similis
Animalia
Hamatopeduncularia sp. n. 02 US-2014
Plantae
Polygonum basiramium
Animalia
Castrella truncata

Animalia
Pristina aequiseta
Animalia
Chaetonotus neptuni

Animalia
Callipepla californica
(California quail)

Animalia
Culicoides imicola

Animalia
Ophiderma definita
Plantae
Frullania sp. A BlS-2016
Animalia
Charistephane fugiens

Animalia
Hydnophora exesa
Animalia
Trichoplax sp.

Animalia
Paracatenula cf. erato

Animalia
Aplysina fistularis
Animalia
Taricha granulosa
(roughskin newt, rough-skinned newt, rough-skin newt)
Animalia
Cicadellidae sp. R57
Animalia
Panorpodes pulcher
Animalia
Pristina longiseta

Animalia
Linuche unguiculata
Animalia
Sceloporus occidentalis
(western fence lizard)

Animalia
Appasus japonicus
Animalia
Rhagidiidae gen. sp. AD1060
Animalia
Brachistosternus sp. 2 LP-2016

Plantae
Calluna vulgaris
(heather flower)

Plantae
Aulacomnium palustre

Animalia
Fasciola gigantica

Plantae
Sinapis alba
(yellow mustard, white mustard, bai jie)

Plantae
Ligustrum lucidum

Plantae
Staurastrum arctiscon
Animalia
Teutonia cometes
Plantae
Cosmarium laeve

Animalia
Gallus gallus
(chickens, chicken, bantam)

Animalia
Spissistilus festinus
(three-cornered alfalfa treehopper)

Plantae
Liriope muscari
(big blue lilyturf)

Animalia
Stylaria lacustris

Plantae
Salix triandra

Plantae
Juglans hindsii
Animalia
Leucetta sp. Manuel H2

Animalia
Malenka californica
(Calidornia forestfly)
Animalia
Pseudodactylogyrus anguillae
Animalia
Hydropsyche sp. T20

Plantae
Eucalyptus microtheca
Animalia
Trichoplax sp. H7
Animalia
Placospongia sp. UCMPWC495

Animalia
Bougainvillia muscus
Plantae
Interfilum sp. SAG 36.88
Plantae
Rosa rubus
Animalia
Dactylobiotus octavi
Animalia
Orussobaius wilsoni

Animalia
Neobisnius villosulus
Animalia
Strongylostoma radiatum

Plantae
Cleome iberidella

Plantae
Baccharis tricuneata
Plantae
Pimpinella bicknellii
40 species found only at Maywood Park

Plantae
Carya illinoinensis
(pecan)

Animalia
Lecane bulla
Animalia
Tobrilus gracilis

Animalia
Cyprinus carpio
(mirror carp, koi, fancy carp...)
Animalia
Paractinolaimus macrolaimus
Animalia
Isactinernus quadrilobatus
Plantae
Schinus terebinthifolia
(Brazilian peppertree)

Animalia
Salmo salar
(Atlantic salmon)

Animalia
Sardinops melanostictus
Animalia
Phialella quadrata

Plantae
Lolium multiflorum
(Italian ryegrass)

Animalia
Cordylophora caspia

Plantae
Hedera helix
(English ivy)

Animalia
Thunnus alalunga
(albacore)

Plantae
Carya glabra
(sweet pignut, pignut hickory)

Plantae
Prunus ilicifolia
(holly-leaved cherry, evergreen cherry)

Plantae
Ailanthus altissima
(tree-of-heaven, stinking sumac, China-sumac)
Plantae
Schinus molle
Plantae
Ulmus parvifolia
(leatherleaf elm, lacebark, Chinese elm)

Animalia
Misgurnus anguillicaudatus
(weather loach, oriental weatherloach, oriental weatherfish...)
Plantae
Brachychiton populneus
(kurrajong)
Plantae
Rosa hybrid cultivar

Plantae
Triadica sebifera
(popcorn-tree, candleberry-tree, Chinese tallowtree)

Animalia
Mydas clavatus

Animalia
Lepomis cyanellus
(green sunfish)

Plantae
Cecropia peltata
(yagrumo hembra, trumpet-tree, snakewood...)

Plantae
Pittosporum glabratum

Plantae
Euphorbia maculata

Animalia
Anoplopoma fimbria
(sablefish)
Animalia
Placospongia sp. UCMPWC548
Plantae
Bougainvillea sp. DJM-2005
Plantae
Lantana sp. X171-17
Plantae
Quercus pontica
Plantae
Eucalyptus siderophloia
Animalia
Spirorbis sp. CMC01
Plantae
Myrcia hartwegiana

Plantae
Calycolpus moritzianus

Animalia
Cricotopus infuscatus
Plantae
Quercus poilanei
Animalia
Limoniscus violaceus
41 species found at both Hahamongna & Maywood Park
Animalia
Thouarella variabilis

Animalia
Atolla tenella

Animalia
Craspedacusta sowerbii
Animalia
Zoarces gillii
Animalia
Aeolosoma sp.
Animalia
Flabellum sp. CP3965
Animalia
Girardia tigrina
Animalia
Phascolosoma capitatum
Animalia
Culicoides variipennis
Animalia
Stenostomum sp. 'Aguinaldo, 1997'

Animalia
Anas platyrhynchos
(mallard ducks, mallard duck, mallard...)

Plantae
Ageratina adenophora

Plantae
Arabis alpina
(gray rockcress, alpine rockcress)

Animalia
Mytilina ventralis
Animalia
Stenostomum sp. 'bigmouth'
Animalia
Moerisia inkermanica

Animalia
Sus scrofa
(wild boar, swine, pigs...)

Animalia
Brachionus calyciflorus

Plantae
Ricinus communis
(castor bean)

Plantae
Psidium guajava
(guava)
Animalia
Ascaltis sp. QMG316050

Plantae
Baccharis salicifolia

Plantae
Fraxinus pennsylvanica
(green ash)

Animalia
Philodina megalotrocha

Animalia
Adineta vaga
Animalia
Psychomora mycophila
Plantae
Sinapis arvensis
(charlock mustard)

Plantae
Alnus glutinosa
Animalia
Loxosomella stomatophora

Plantae
Bryum argenteum

Animalia
Hirudo verbana

Animalia
Javania insignis

Animalia
Aedes simpsoni
Plantae
Fraxinus sp. U151-17

Plantae
Gemmabryum dichotomum
Animalia
Truncatoflabellum sp. DW3956A

Animalia
Tachypleus gigas
(Southeast Asian horseshoe crab, Chinese horseshoe crab)

Animalia
Bittacus pilicornis
(hairy-horned scorpionfly)
Animalia
Oxyethira dualis

Plantae
Sambucus williamsii
Plantae
Oxalis corniculata