ccantley's Favourites

If correct ID, this apparently non-native fern is documented in FL from the 1930s

Show-stopper

• upper leaves much longer than the lower leaves
  - - - - - - -
  Oak-Hickory woodland

Mowed roadside edge of rich mesic forest. Most Polystichum plants here normal looking, a few with some creative rachis divisions.

On Pinus strobus needles

• margin of leaf toothed more than half its length

• midrib occupies 1/3 or more of width of leaf
  - - - - - - -
  Common Mosses of the Northeast and Appalachians, 2013, pages 66, 67

Notes, many thanks to @ccantley: short, straight erect hairs on underside of young leaves; stems glabrous

First photo cropped, then full size, as are the rest

I had originally mis-identified this as Phacelia ranunculacea.

• lobed margin

On a submerged branch in a vernal pool

Floating sheaths, hairy lower leaf surface

growing in a rich bottomland area near the trail. No. 870728013.
See also: http://beta.floranorthamerica.org/Dryopteris_goldieana

Four-Leaf

growing in a well-drained upland forest. No. 870728010.

Notes, many thanks to @ccantley: opposite, finely serrated leaves with reddish petioles

Female. Oblong ovisac

For the adjacent Bacidia suffusa, cf. inaturalist.org/observations/205421248
For nearby Bacidia suffusa I found in the photos after I got home, cf. inaturalist.org/observations/205137676

Under a log

growing in a steep walled tributary valley. No. 870611030.

For several of the Common Chrysalis-Snail (Lauria cylindracea), cf. inaturalist.org/observations/204448267

growing on steep walled rock faces along the edge of the gorge, rachis not winged between the lowest two pairs of pinnae. No. 870611023.
See also: https://michiganflora.net/genus/Phegopteris

growing throughout the area near the bridge. No. 870611011.
See also: http://beta.floranorthamerica.org/Vitis_riparia

Several colonies were lost to a controlled burn that was conducted two yeas ago. So, I was elated to find this one thriving on a rock outcrop.

The wood that has been stained red can be seen in the first two photos.

growing on the bottomland near the bridge. No. 870611004
See also: http://beta.floranorthamerica.org/Salix_nigra
and
http://beta.floranorthamerica.org/File:FNA7_P3_Salix_caroliniana_pg_35.jpeg

Or maybe a more imbricate form of P. munitum?

Very compact.
Very small.
Apothecia adorned with compact branches.