erwin_pteridophilos's Favourites
Photos / Sounds
What
Forest Shield Fern (Polystichum pungens)Observer
jeremygilmorePlace
Grootrivier Trail, Nature's Valley, Garden Route District Municipality, Western Cape, South Africa (Google, OSM)
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Eupteryx filicumObserver
harsiparkerDescription
On the underside of a frond on Common Bracken (Dennstaedtiaceae: Pteridium aquilinum). This one had a somewhat unusual orange-y coloration to the scutellum and pronotum.
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Australian Tree-Fern (Dicksonia antarctica)Observer
chris_earleDescription
A Dicksonia antarctica that has naturally established in the Redwood Park
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Hard Ferns (Genus Blechnum)Observer
carlfabreDescription
Hammock Fern
Exact location kept private; I have only discovered this one patch of Hammock Fern at Enchanted Rock. Very rare.
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Strawberry Groundcherry (Physalis grisea)Observer
martin_der_prinzDescription
neu3
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Large-flowered Tomatillo (Physalis philadelphica)Observer
jasmin_rehDescription
It was growing close to a garden, so I don't know if it's a cultivated plant or not
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American Hart's-tongue Fern (Asplenium scolopendrium var. americanum)Observer
t_knight
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American Hart's-tongue Fern (Asplenium scolopendrium var. americanum)Observer
jtolds
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American Hart's-tongue Fern (Asplenium scolopendrium var. americanum)Observer
blakesito
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European Hart's-tongue Fern (Asplenium scolopendrium ssp. scolopendrium)Observer
tellittothevoidDescription
This was quite a surprise. Seems to be the same individual observed by a few others along the trail in Tryon Creek State Natural Area
https://www.inaturalist.org/observations/101865244
https://www.inaturalist.org/observations/37202151
https://www.inaturalist.org/observations/106356329
Photos / Sounds
What
Western Sword Fern (Polystichum munitum)Observer
harsiparkerDescription
After several days of freezing temperatures, I stopped to admire some icicles that had formed on the overhang of an outbuilding. My gaze shifted downward and I noted (with much delight) that the fronds of the Sword Fern directly below were also covered in icicles.
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Braun's Holly Fern (Polystichum braunii)Observer
ocanireDescription
более трёхсот экземпляров
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Stamnaria persooniiObserver
filipfuljerDescription
decomposing stems of Equisetum fluviatile, alpine peat bog, leg. M. Krivúš, det. A. Polhorský
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Dudley's Shield Fern (Polystichum dudleyi)Observer
marleyiDescription
Local ground fern.
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Common Polypody (Polypodium vulgare)Observer
ricky_taylorDescription
Sheltered by overhanging rock.
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Mountain Holly Fern (Polystichum scopulinum)Observer
steveansellDescription
At front in last photo
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Observer
steveansellDescription
Presumably P. scopulinum, unless it's a hybrid with something larger. Growing under shelter at base of bluff, immediately below numerous P. scopulinum.
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Observer
steveansellDescription
Unlike the other P. scopulinum in the area, with overall form rather like P. munitum with long very pointed leaflets. Lower leaflets divided rather like P. scopulinum, but I have seen the occasional munitum with odd divisions like this as well. Tilted & slightly overlapping leaflets perhaps showing some of the P. imbricans parentage of scopulinum.
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Braun's Holly Fern (Polystichum braunii)Observer
donaldasutherlandDescription
single plant with 3 fronds; discovered by L.S. Kott; image scanned from 35 mm slide
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Genus HerpetogrammaObserver
treegrowDescription
Herpetogramma sp. Rock Creek Park, Washington, DC, USA.
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Western Sword Fern (Polystichum munitum)Observer
chris_earleDescription
Don't often see them this tall.
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Observer
jpznatPlace
Parque Ecológico Cerro Seco, sobre ladera expuesta al NW del barrio El Paraíso, localidad Ciudad Bolívar, Bogota, Distrito Capital, Colombia, ca. 2894 m (Google, OSM)
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Western Sword Fern (Polystichum munitum)Observer
raddiceDescription
Western Swordfern - Polystichum munitum
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Anderson's Holly Fern (Polystichum andersonii)Observer
steveansellDescription
Small bulblet sprouting from middle of leaflet, rather than the usual position on the main stem near the tip. This is the first time I've seen this, although there were a few others like this that I saw today in the area.
Group of conspicuous trail-side plants that I've seen several times before, and have noted for not having bulblets early in the season in the past. No standard bulblets found on any of the plants today. Growing mixed with P. munitum, and very similar to them in size and overall shape. Most of the P. andersonii that I find are in small areas distinctly lacking P. munitum in the immediate area. Potentially a group of hybrids.
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Braun's Holly Fern (Polystichum braunii)Observer
steveansellDescription
This one was rather confusing at first, as the two fronds look very different. After digging the snow off, it turns out there were two plants growing a few inches apart. This ID is for the frond on the right in the first two photos. The other plant is uploaded separately: https://www.inaturalist.org/observations/142512781
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Braun's Holly Fern (Polystichum braunii)Observer
steveansellDescription
My thought in the field was P. andersonii. Rather different than the P. braunii that it was growing with (on the right in the last photo - https://www.inaturalist.org/observations/142512623). Rather deeply cut though for andersonii, and no hint of any bulblets could be found.
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Braun's Holly Fern (Polystichum braunii)Observer
steveansellDescription
The largest specimen of the day. Fronds 3.5' in length.
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Braun's Holly Fern (Polystichum braunii)Observer
steveansellDescription
P. braunii was my thought at the time, but looking at the pictures now, some of the fronds look rather like a deeply divided andersonii instead, so I'm unsure.
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Anderson's Holly Fern (Polystichum andersonii)Observer
steveansellDescription
Lots of happy bulblets sprouting on this one.
