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Ohio Plants

The companion web site to EEOB 2210

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Welcome to ohioplants.org, your on-line companion to Ohio Plants, EEOB 2210.
Look here for examples of the concepts we're covering in lecture and lab.

trematodon

I went to Swamp Cottonwood State Nature Preserve i I went to Swamp Cottonwood State Nature Preserve in northern Ohio's Medina County to see swamp cottonwood but I didn't see any swamp cottonwood. It's a very cool swamp however and there was a nice patch of this simple thalloid liverwort, Pallavicinia lyellii. #liverworts #bryophytes #botany
A feather-branched carpet moss most often seen in A feather-branched carpet moss most often seen in low sunny seepy sites, this is Calliergonella lindbergi (formerly Hypnum l. , and so it still has the common name "Lindberg's Hypnum moss) on a woodland path along with a smoothcap moss (genus Atrichum), as seen yesterday in Highland County Ohio. #mosses #bryophytes #plants #botany
This feather-branched carpet moss seen yesterday i This feather-branched carpet moss seen yesterday in a calcareous wet meadow in central Ohio's Franklin County has stems that are densely clothed in filamentous paraphyllia, and leaf cells that are unipapillose. Methinks it be Helodium blandowii. #mosses #bryophytes #botany #plants #nature #botany
Most members of the haircap moss family Polytricha Most members of the haircap moss family Polytrichaceae are easy to recognize as such because they have ribbons of stacked cells --lamellae --running lengthwise along the leaf mid-nerve (costa). Not this one, Atrichum crispum, which is a foooler as the lamellae are so few and low as to be essentially absent, and the leaf shape and serration are essentially identical to members of the "leafy moss" family Mniaceae, especially Plagiomnium ciliare. This was seen on Saturday to be abundant in spots on the muddy floor of a swamp forest in southern Ohio's Hocking County. #mosses #bryophytes #botany #nature #plants #ohioplants
Narrowleaved wetland plume moss, Helodium (or Elod Narrowleaved wetland plume moss, Helodium (or Elodium) paludosum is a once-pinnate carpet moss that is somewhat infrequently encountered. It looks somewhat Thuidium (fern moss)-like, and like that genus, has filamentous paraphylla clothing the stem (not visible from this distance), but it has smooth, not papillose leaf cells. This was seen Saturday in a swamp in southern Ohio's Hocking County. #mosses #botany #plants #bryophytes
Not an especially common fern, it was fun to see a Not an especially common fern, it was fun to see a large patch of this netted chain fern, Woodwardia aereolata, a couple days ago in a southern Ohio swamp forest where you would expect its much more common lookalike, sensitive fern (Onoclea). This one isn't wavy-margined like sensitive fern is and has a monomorphic, not holodimorphic, frond type (i.e., not differentiated into separate sterile and fertile fronds). #ferns #botany #ohioplants #pteridophyta
An unusual Sphagnum moss, seen Saturday at a wetla An unusual Sphagnum moss, seen Saturday at a wetland in southern Ohio's Hocking County. This is Sphagnum papillosum, a member of the section Sphagnum --the group with the plump hood-shaped leaves --differentiated from others in the group by the finely papillose walls of the clear cells adjacent to the green ones visible in microscopic cross-section of the branch leaves, and by the stem leaf cells being mostly divided. #mosses #bryophytes #botany #sphagnum
Ooh, ooh! Our only (native) fern that is a vine, i Ooh, ooh! Our only (native) fern that is a vine, it's "climbing fern" (iNat called it "Hartford fern"), Lygodium palmatum, seen in spectactular abundance at a sphagnum-dominated swamp/marsh boundary in southern Ohio's Hocking County. On the left are vegetative leaves; on the right the spore-bearing ones. #ferns #petridophytes #botany #ohioplants #flora
Shiny flat carpet mosses can be a challenge to ide Shiny flat carpet mosses can be a challenge to identify. Here's one on a rock in a forest in south-central Ohio's Fairfield County. By virtue of the absence of brood bodies (thus ruling out Pseudotaxiphyllum) and the not especially enlarged cells on the lower corners of the leaves (thus ruling out Pylaisiadelpha), along with its symmetric, not asymmetric leaves, methinks this be "curved silk moss," Plagiothecium curvifolium. #mosses #bryophytes #plants #botany #ohioplants
Quillworts in the genus Isoetes are peculiar non-v Quillworts in the genus Isoetes are peculiar non-vascular lycophytes that grow in shallow water. Heterosporous, they produce tiny microspores that develop into male gametophytes, and quite large megaspores, shown here as viewed through a dissecting microscope at about 40x, that give rise to the females. The species are identified by their megaspore ornamentation. The pattern of ridges, not spines, indicates these spores are from Isoetes engenlmannii, seen yesterday at Hammertown Lake in southern Ohio's Jackson County. #quillworts #isoetes #lycophyta #botany #ohioplants
Tired of bryophytes? OK, here's a bryozoan! Had a Tired of bryophytes? OK, here's a bryozoan! Had a great time kayaking on an inlet of Alum Creek in central Ohio's Delaware County where this Pectinella magnifica is abundant in at least one spot. It's a colony of small filter-feeders, kind of coral-like in their ecology but belonging to an entirely different phylum, one that was more prevalent at an earlier time in earth;s history than today. #bryozoan #zoology
iNaturalist called this "Lindberg's hypnum moss," iNaturalist called this "Lindberg's hypnum moss," but now it's in a both a different genus and a different family (Pylaisiacea) than Hypnum. This is Calliergonella lindbergii, a common carpwt moss seen in wet spots. This was seen Sunday in a small fen wetland in southern Ohio's Pike County. #mosses #bryophytes #botany #ohioplants
I'm in lovely Philadelphia PA which is home to wha I'm in lovely Philadelphia PA which is home to what has been accurately described as "the world's most beautiful urban park," Wissahickon Valley Park where, on some soil at the base of a tree at the edge of a small stream is a large stand of a tricky moss. It's "crispate smoothcap." Atrichum crispum, which is tricky because the ribbonlike rows of tissue (lamellae) running along the mid-nerve are so low and inconspicuous that it's easy to miss the fact that this is a member of the Polytrichaceae. This was seen today. #mosses #bryophytes #polytrichaceae #botany #plants
"Verdigris tufa moss," Gymnostomum aeruginosum, is "Verdigris tufa moss," Gymnostomum aeruginosum, is one of several lookalike cushion mosses that can be found on damp shady limestone or sandstone that is somewhat calcareous, as in this specimen seen yesterday in southern Ohio's Athens County. The biggest challenge is separating it from Hymenostylium recurvirostrum, which seems to be a more strict limestone-lover. A subtle microscopic feature discernable via a stem cross-section helps: a central strand is present in Gymnsostomum but not Hymenostylium. m #mosses #bryophytes #botany #ohioplants
The peatmosses that have deeply concave and hood-t The peatmosses that have deeply concave and hood-tipped (cuculate) branch leaves belong to the section (subgenus) Sphagnum. This is one of Ohio's most common species, Sphagnum palustre. It was seen Friday in northeast Ohio's Lake County. #mosses #sphagnum #bryophytes #botany #peatmoss
Some male moss plants look like little flowers. Th Some male moss plants look like little flowers. The sperm-producing antheridia are clustered at the stem tips and are surrounded by a whorl of leaves, forming splash cups. Cute, eh? This is ribbed bog moss, Aulacomnium palustre, seen Friday in northeastern Ohio's Lake County. #mosses #bryophyta #plants #botany
Wet limestone cliffs in west-central Ohio are home Wet limestone cliffs in west-central Ohio are home to very dense tufts of some small densely packed dark green cushion mosses in the family Pottiaceae, the most frequent of which is this hook-beak tufa-moss, Hymenostylium recurvirostrum. This was seen Sunday Greene County. #mosses #bryophytes #botany #plants
Here on a rock in a stream is a very odd presentat Here on a rock in a stream is a very odd presentation of a common annual moss usually seen on bare soil and old fire pits. It's "cord moss," Funaria hygrometrica, growing extraordinarily densely, horizontally, and with straight rather than the usually sinusously curved setae (spore case stalks). This was seen yesterday in west-central Ohio's Greene County. #mosses #bryophytes #plants #botany
This yellow-green (usnic acid) narrow-lobed folios This yellow-green (usnic acid) narrow-lobed foliose lichen that reproduces both asexually (by minute fingerlike isidia) and sexually (by spores borne in disk-shaped apothecia) is Ptltt's rock-shield, Xanthoparmelia plittii. It was seen today on a granitic boulder at the entryway to an urban park in a suburb of Columbus in central Ohio that was no doubt brought in by a truck, not a glacier. One wonders whether the lichen came with it, orif it arrived after the boulder did. #lichens #fungi #xanthoparmelia
"Wart lichens" in the genus Pertusaria are crustos "Wart lichens" in the genus Pertusaria are crustose ones that have their spore-producing apothecia immersed in warts on the main body with small holes through which the spores emerge. Our only common one found on rock (others are on bark) is this "rock wart lichen," Pertusaria plittiana. It was seen last week in southern Ohio's Hocking County. #lichens #crustoselichens #pertusaria #fungi #ascomycota
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