erwin_pteridophilos's Favourites
Photos / Sounds
What
Christmas Fern (Polystichum acrostichoides)Observer
arbiessDescription
Ebony Spleenwort fern (Asplenium platyneuron) Northern Maidenhair Fern (Adiantum pedatum) and Christmas Fern (Polystichum acrostichoides)
Photos / Sounds
What
California Shield Fern (Polystichum californicum)Observer
emmasheltonDescription
There are way more P. cali's and P. cali x munitum here than I recall since first noticing P. dudleyi along the creek in 2016.
Photos / Sounds
What
Kruckeberg's Sword Fern (Polystichum kruckebergii)Observer
scott_mtDescription
Only 1 clump observed in rock crevice. A couple clumps of Polystichum lonchitis nearby
Photos / Sounds
What
European Hart's-tongue Fern (Asplenium scolopendrium ssp. scolopendrium)Observer
athall
Photos / Sounds
What
Hard Shield Fern (Polystichum aculeatum)Observer
vhamonDescription
Curious to know
Photos / Sounds
What
Orange Bluet (Enallagma signatum)Observer
whateverwatcherDescription
Tandem pair snagged by an Eastern Pondhawk (129470443). Didn't see them at the time; found them later in photos of the pondhawk.
Photos / Sounds
What
Korean Rock Fern (Polystichum luctuosum)Observer
happybird44Description
30DaysWild!
Photos / Sounds
Observer
jimmexDescription
base of a rock outcrop along the trail in a spot usually shaded by tall pines and oaks; northeast-facing mountain slope, elevation ±2,420m (7950 ft); bedrock of Cretaceous limestone, on the south side of Pinal de Amoles
Photos / Sounds
What
Northern Holly Fern (Polystichum lonchitis)Observer
westwindeDescription
Lone plant with deviant fronds on north-facing roadcut slope
Photos / Sounds
Observer
westwindeDescription
Large colony of 50+ clonal plants, vegetative buds somewhat common. Shallowly dissected fronds, especially near apex. Frond silhouette and apex much resembling P. munitum, and mistakable as such in very young plants. Growing on wet east-facing slope in duff/soil around small emerging creek of old growth Thuja plicata forest. Athyrium filix-femina and Gymnocarpium disjunctum intermixed. Polystichum munitum somewhat common nearby on drier shaded slopes.
Overstory:
Thuja plicata
Abies grandis
Understory:
Gymnocarpium disjunctum
Maianthemum stellatum
Tiarella trifoliata
Athyrium filix-femina
Clintonia uniflora
Senecio triangularis
Trautvetteria caroliniensis
Viola glabella
Asarum caudatum
Prosartes sp.
Anemonoides piperi
Coptis occidentalis
Adenocaulon bicolor
Galium sp.
Rubus parviflorus
Thalictrum occidentale
Trillium stenosepalum
Photos / Sounds
Observer
westwindeDescription
Very large colony of 200+ clonal plants, vegetative buds occasional. Shallowly dissected fronds, especially near apex. Frond silhouette and apex much resembling P. munitum, and mistakable as such in very young plants. Growing on damp north-facing slope in duff/soil in small opening of old growth Thuja plicata forest. Athyrium filix-femina and Gymnocarpium disjunctum intermixed. Encircled by Dryopteris filix-mas and Dryopteris expansa. Polystichum andersonii present in sizable population, starting at wet downslope edge of the colony. Polystichum munitum scattered nearby on drier shaded slopes, closest plant less than 20m. A few plants appearing grazed by moose.
Overstory:
Thuja plicata
Understory:
Asarum caudatum
Circaea alpina
Clintonia uniflora
Maianthemum stellatum
Athyrium filix-femina
Tiarella trifoliata
Anemonoides piperi
Viola glabella
Trautvetteria caroliniensis
Gymnocarpium disjunctum
Prosartes sp.
Adenocaulon bicolor
Galium sp.
Coptis occidentalis
Dryopteris expansa
Dryopteris filix-mas
Trillium stenosepalum
Senecio triangularis
Polystichum andersonii
Photos / Sounds
What
California Shield Fern (Polystichum californicum)Observer
emmasheltonDescription
The Dean Trail Cali Sword Fern. Wow it got big while I was gone.
Photos / Sounds
What
Anderson's Holly Fern (Polystichum andersonii)Observer
westwindeDescription
Small colony on roadside hump, vegetative buds present
Photos / Sounds
What
Northern Holly Fern (Polystichum lonchitis)Observer
westwindeDescription
Small population at base of and in crevices of rock outcrop on deeply shaded steep mountainside
Photos / Sounds
What
Northern Holly Fern (Polystichum lonchitis)Observer
westwindeDescription
Occasional, scattered plants on deeply shaded northeast-facing steep rocky slope, especially at bases of Tsuga mertensiana
Photos / Sounds
What
Shield Ferns (Genus Polystichum)Observer
azankhanDescription
Co-observed with Abdurehman inside forest.
Photos / Sounds
What
Japanese Shield-Fern (Polystichum polyblepharum)Observer
thomas--Description
Original observation: https://observation.org/observation/206859306 (incl. photo documentation)
Photos / Sounds
What
Kruckeberg's Sword Fern (Polystichum kruckebergii)Observer
quinn-ruadhDescription
gotta hit the books to differentiate kruckebergs and mountain holly (and lemmonii)
