State-Listed Pteridophytes in Indiana

These are the lycophytes, ferns and fern allies that are officially listed as rare by the State of Indiana. The information is taken from the Indiana Department of Natural Resources Rare Plants Page..

G-RANK

• G1=critically imperiled globally
• G2=imperiled globally
• G3=rare or uncommon
• G4= widespread but with long term concerns,
• G5=widespread and secure
• T ranks indicate taxonomic subunit rank, ? or Q=questionable rank
• NR=not ranked or uncertain rank

S-RANK

• S1=critically imperiled in state
• S2=imperiled in state
• SX=extirpated

STATE:

• SX=extirpated
• SE=endangered
• ST=threatened
• SR=rare
• SRE = reintroduced
• WL = watch list