Plantae → Dicotyledoneae → Ceratophyllaceae
Prickly Hornwort
Ceratophyllum echinatum
Vascular Plants
ORBIC List 2-exSH
State Rank
SX
S1
S2
S3
S4
S5
SH — Possibly Extirpated from Oregon
G4
Global Rank
Apparently Secure
List 2-ex
ORBIC
Extinct
What do these ranks mean? ORBIC's ranking definitions or NatureServe's conservation status categories
Ecoregions
Coast Range
Counties
Lane
Other states / provinces
WA +
Range map
Certain
Possible
Extirpated
Absent