HAP Classifications and Points

PLANT CLASSIFICATION – The following is a list of species by point class. The list is not complete and is only intended as guide. We must abide by the DNR’s invasive species regulations.

Class A (5 points) –
Azolla sp. (floating fern)
• caroliniana
• filiculoides
pinnata Invasive to Indiana

Ceratopteris sp.
• cornuta
• froesii
• pteridioides (water sprite)
• siliquosa
• thalictroides (Indian fern)

Ceratophyllum sp.
• demersum (hornwort)
• siliquosa
• submersum (tropical hornwort)
• thalicroides (water sprite)

Eichornia sp.
azurea invasive to Indiana
• crassipes (water Hyacinth)
• diversifolia
• natans

Elodea sp.
densa (anacharis) invasive to Indiana
• canadensis (Canadian elodea)
• nutalli


Egeria najas (slender leafed elodea)

Hydrilla verticillata Invasive to Indiana

Lemna sp.
• gibba
• spirodela (great duck weed)
• trisulca

Pistia stratiotes (water chestnut)

Riccia sp.
• fluitans (crystalwort)

Salvinia sp.
auriculata (butterfly fern) Invasive to Indiana
• cucculata
• minima
• natans
• rotundifolia
• sprucei

Utricularia sp.
• exoleta
• gibba
• minor
• neglecta
• vulgaris (bladderwort)

Vesicularia dubyana (java moss)

Wolfia arrhiza (dwarf duckweedl)
Class B (15 points).
Alternanthera sp.
• lilacina
• reineckii
• roseafolia
• sessilis

Bacopa sp.
• amplexicaulis
• caroliniana
• crenata
• floribunda
• lanigeria
• monnieri (dwarf bacopa)
• myriophylloides
• rotundfolia

Cabomba sp.
• aquatica
• caroliniana (fanwort)

Cardamine lyrata (bitter cress)

Crassula sp.
• bonariensis
• helmsii
• recurva
• vaillanti

Echinodorus sp.
• bolivianus
• latifolius
• intermedius
• isthmicus
• tenellus
• quadricostatus

Eleocharis sp.
• acicularis (hairgrass)
• minima

Fontinalis sp.
• antipyretica (willow moss)

Heteranthera sp.
• dubia
• reniformis
• zosterifolia (stargrass)

Hydrocleys nymphoides

Hydrocotyle sp.
• leucocephala (Brazilian pennywort)
• martima
• verticillata
• vulgaris (umbrella plant)

Hygrophilia sp.
• augustifolia
• balsamica
• corymbosa (temple plant)
• difformis (water wisteria)
• guianensis
• lacustris
• lancea
• longifolia
polysperma Invasive to Indiana
• salicifolia
• stricta
• violacea

Limnophila sp.
• australis
• aquatica
• aromatica
• glabra
• heterophylla
• indica
sessiliflora (ambulia)
Lobelia sp.

Ludwiga sp.
• abscendens
• alternifolia
• arcuata
• brevipes
• glandulosa
• mullertii
• palustris
• repens

Microsorium pteropus (java fern)

Myriophyllum sp.
alterniflorum Invasive to Indiana
• aquaticum (Brazilian milfoil)
• hippuroides (red milfoil)
• brasiliense (parrot feather)
• heterophyllum
• mattogrossense (red milfoil)
• scabratum (foxtail)
• ussuriense
• verticillatum
spicatum (milfoil) Invasive to Indiana

Najas sp.
• graminea
• guadelupensis
• indica
• microdon

Nitella flexilis (stonewort)

Nomophilia sp. (Temple plant)

Nymphoides sp.
• aquatica (banana plant)
• humboldtiana
• indica
peltata Invasive to Indiana

Potamogeton sp.
crispus Invasive to Indiana
• gayi
• gramineus
• malaianus
• mascarensis
• natans
• oxyphyllus
• perfoliatus

Rotala sp.
• indica
• macrandra
• rotundifolia

Sagittaria sp.
• graminea
• lancifolia
• montevidensis (arrowhead sag)
• platyphylla
• pusilla
sagittifolia Invasive to Indiana
• subulata (broad leaf sag)
• weatherbiana

Vallisneria sp.
• americana (small corkscrew val)
• asiatica
• gigantea (giant val)
• gracilis
• natans (eel grass)
• neotropicalis
• portugalensis
• spiralis  (Large corkscrew)
Class C (20 points).
Anubias sp
• afzelii
• barteri (all varieties)
• coffeafolia
• congensis
• gilletii
• glabra
• gracilis
• hastifolia
• heterophylla
• lanceolata
• nana

Bolbitus sp.
• heteroclita
• heudelotii

Crinum sp.
• calamistratum
• natans
• purpurascens
• natans

Cryptocoryne sp.
• affinis
• albida
• aponogetifolia
• auriculata
• axelrodii
• balansae
• beckettii
• blassii
• bogneri
• bullosa
• ciliata
• cordata
• costata
• crispatula
• diderici
• evae
• ferruginea
• fusca
• gracilis
• grifithii
• hejnyi
• johorensis
• korthausae
• legroi
• lingua
• longicauda
• lucens
• lutea
• minima
• moehlmannii
• nevillii
• nurii
• parva
• petchii
• pontederiifolia
• purpurea
• retrospiralis
• sarawacensis
• schulzei
• siamensis
• spiralis
• sulphurea
• thwaitesii
• tonkinensis
• undulata
• usteriana

Cryptocoryne sp. (cont)
• versteegii
• walkeri
• wendtii
• willisii
• zewaldiae
• zonata
• zukalii
Cyperus alternifolius

Didiplis diandra (water hedge)

Echinodorus sp.
• amazonicus
• amphibius
• angustifolius
• aschersonianus
• augustifolius
• austroamericanus
• barthii
• berteroi
• bleheri (broad leafed Amazon sword)
• cordifolius
• grisebachii
• horemanii
• horizontalis
• inpai
• macrophyllus
• magdalensis
• major or maior
• muricatus
• nymphaeifolius
• opacus
• osiris
• paniculatus
• parviflorus
• pellucidus
• portoalegrensis
• rigidifolius
• scaber
• schlueteri
• uruguayensis

Lagenandra sp.
• dalzellii
• koenigii
• lancifolia
• meeboldii
• ovata
• praetermissa
• thwaitesii

Any marine plant

Marsilea sp.
• brownii (four leaf water clover)
• quadrifolia

Nuphar sp.
• japonica
• luteum (spatterdock)
• pumila

Nymphaea sp.
• alba
• colorata
• chromatella
• lotus
• maculata
• pubescens
• stellata
• zenkeri

Trapa sp.
• japonica
natans (water chestnut) Invasive to Indiana









Class D (20 points) – Any plant propagated uniquely from seed or spore.

Aldrovanda vesiculosa

Aponogeton sp.
• abyssinicus
• bernieranus
• boivinanus
• capuroni
• crispus
• distachyos
• echinatus
• elongatus
• fenestralis
• guillotii
• henkelianus
• longplumulosus
• loriae
• madagascariensis (Madagascar lace plant)
• monostrachyus
• natans
• rigidifolius
• stachyosporus
• ulvaceus
• undulatus

Echinodorus sp.
• argentinensis
• grandiflorus
• longiscapus
• palaefolius
• subalatus

Isoetes sp.
• echinospora
• flaccida
• lacustris
• malinverniana
• setacea
• velata

Ottelia sp
alismoides Invasive to Indiana
• kunenensis
• muricata
• ulvifolia

Samolus parviflorus (water cabbage)
Class E – Reproduction From Seed or Spores.
• Add class points to your total.
 
 
Class F – Flowering
• Award double point bonus.
 
 
Class G – Specialty Genus
• Hybrids/crosses will only be recognized in this category. A maximum of five points are awarded for each variation and no points are awarded for flowering.


































Here is a link to the most recent Indiana Invasive Species List.

The Aquatic Plant Rule (312 IAC 18-3-23) designates 30 species of plants as invasive in Indiana. This rule makes it illegal to sell, offer for sale, gift, barter, exchange, distribute, or transport these plants in the State of Indiana. Learn what you need to know in the Aquatic Plant Rule Brochure.