2024 Edition • Get the App • Cite this Page
X

Colors

Data mode

Account

Login
Sign up

Collapse this

Support the Flora of the Southeastern US

2024 has been a banner year for making the best flora we can imagine. We've created:
With financial support from people like you, we are aiming even higher in 2025. Together we can accomplish all this: Vote on our 2025 priorities
  • Add Global Conservation Ranks (GRanks) vote
  • Professional graphic keys (polyclaves) to individual families/genera vote
  • 2 new FloraQuest apps: Florida & Mid-South vote
  • Image overlays highlighting diagnostic characters with arrows vote
  • iNaturalist integration in FloraQuest vote
Write-in vote: vote
We've set a goal of recruiting 200 ongoing supporters to donate $15 or more each month in 2025. Please help us reach this goal and make next year's flora even better:
Donate $15 per month
(0.1¢/species)
Donate $30 per month
(0.3¢/species)
Donate $50 per month
(amazing!)
Donate another
or one-time amount

Click the number at the start of a key lead to highlight both that lead and its corresponding lead. Click again to show only the two highlighted leads. Click a third time to return to the full key with the selected leads still highlighted.

Key to Acrostichum

Copy permalink to share

image of plant
Show caption*© Keith Bradley
1 Fertile leaves with sporangia borne only on uppermost 5 or fewer pairs of pinnae; costal areoles of the leaf narrow, > 3× as long as wide
image of plant
Show caption*© Alan Cressler: Acrostichum danaeifolium, Allapatchee Park, Alligator Creek, Punta Gorda, Charlotte County, Florida 2 by Alan Cressler
1 Fertile leaves with sporangia borne on nearly all pinnae; costal areoles of the leaf broad, < 3× as long as wide