Browsing by people, organizations and landmarks: decade:
Amaranthus hybridus L. (green amaranth), habit (3.100934)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Amaranthus hybridus L. (green amaranth), habit showing inflorescences, leaves and stem with grass in background
Extent: 1 slide
Amaranthus retroflexus L. (redroot pigweed), close-up of inflorescence with leaves and stem (3.100936)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Amaranthus retroflexus L. (redroot pigweed), close-up of inflorescence with leaves and stem
Extent: 1 slide
Arabidopsis thaliana (L.) Heynh. (thale cress), stems (3.100972)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Arabidopsis thaliana (L.) Heynh. (thale cress), two slim stalks are shown against a dark backdrop. The ends of the stalks sport a small cluster of white flower buds, some open, most are closed.
Extent: 1 slide
Arabis perstellata var. shortii (Short's false rockcress), flowers on stem (3.100973)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:
Arabis perstellata var. shortii (Short's false rockcress), view of the top half of a an Arabis stalk, with 2 alternate leaves near the bottom of the photo, and a cluster of yellowish florets at the top of the stalk. The florets appear to open starting at the bottom of the cluster, moving upward.
Extent: 1 slide
Arabis glabra (L.) Bernh. (tower rockcress), habit (3.100980)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Arabis glabra (L.) Bernh. (tower rockcress), viewed is a single central stalk, with several stems along its side. Leaves are tightly held to the sides of the stems, and each stem is capped with a closed floret. The base of the plant is not seen in this photo.
Extent: 1 slide
Arabis laevigata (smooth rock cress), habit (3.100982)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Arabis laevigata (smooth rock cress), a single plant of Arabis laevigata, with a thick main stalk, and several branching, slender stems. The stalk and stems have small clusters of whiteish florets at the ends, and long slender seed pods. Larger, lancelot basal leaves can be seen, with smaller alternate leaves along the stems.
Extent: 1 slide
Arabis lyrata L. (sand cress), habit (3.100986)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Arabis lyrata L. (sand cress), small collection of sparse rockcress, with white terminal flowers, and water droplets glistening on the leaves.
Extent: 1 slide
Arabis perstellata var. shortii (Short's false rockcress), flowers and leaves on stem (3.100987)
Date: April 1977Creator: Kohout, Kitty
Type: Photographic image
Description:Arabis perstellata var. shortii (Short's false rockcress), a single stem of rockcress is featured against a muted green background. A cluster of terminal flowers are in bloom. Clear view of the somewhat crenulated alternated leaves, with fine matted hairs on both upper and lower sides of leaves. These hairs give the plant a grayish sheen.
Extent: 1 slide
Aralia nudicaulis L. (wild sarsparilla), flowers and leaves (3.101008)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Aralia nudicaulis L. (wild sarsparilla), view of a single stem of the Aralia nudicaulis, with several clusters of dark green leaves along the stem and a group of white flower inflorescences surrounded by the leaves
Extent: 1 slide
Arenaria serpyllifolia (Thyme-leaved Sandwort), stem with leaves and buds (3.101034)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Arenaria serpyllifolia (Thyme-leaved Sandwort), view of the delicate stems of the thyme-leaved sandwort, with a few leaves, several flower buds, and one opened white flower
Extent: 1 slide
Minuartia stricta (Sw.) Hiern (bog stitchwort), habit, flowers (3.101035)
Date: January 1978Creator: Kohout, Kitty
Type: Photographic image
Description:Minuartia stricta (Sw.) Hiern (bog stitchwort), habit, flowers
Extent: 1 slide
Arrhenatherum elatius L. (bulbous oat grass), habit (3.101044)
Date: June 1974Creator: Kohout, Kitty
Type: Photographic image
Description:Arrhenatherum elatius L. (bulbous oat grass), small stand of false oatgrass, with flowering heads nodding gracefully in the sun
Extent: 1 slide
Moehringia lateriflora (L.) Fenzl (bluntleaf sandwort), flower, buds, and leaves (3.101049)
Date: January 1978Creator: Kohout, Kitty
Type: Photographic image
Description:Moehringia lateriflora (L.) Fenzl (bluntleaf sandwort), a single stalk of flowering sandwort is seen imbedded within a cluster of sandwort, closed buds and green leaves, sparkling with dew.
Extent: 1 slide
Arctium minus (Hill) Bernh. (common burdock), burrs on stem (3.101072)
Date: August 1972Creator: Kohout, Kitty
Type: Photographic image
Description:Arctium minus (Hill) Bernh. (common burdock), view of a single stalk of burdock, showing multiple clusters of early blooming burr heads.
Extent: 1 slide
Arctostaphylos uva-ursi (L.) Spreng. (bearberry), flowers (3.101075)
Date: July 1978Creator: Kohout, Kitty
Type: Photographic image
Description:Arctostaphylos uva-ursi (L.) Spreng. (bearberry), flowers
Extent: 1 slide
Arctostaphylos uva-ursi (L.) Spreng. (bearberry), flowers (3.101078)
Date: April 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Arctostaphylos uva-ursi (L.) Spreng. (bearberry), view of a cluster of four white and pink, urn shaped bearberry blooms, against a backdrop of the plants dark green, leathery leaves.
Extent: 1 slide
Arctostaphylos uva-ursi (L.) Spreng. (bearberry), fruit and leaves (3.101081)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Arctostaphylos uva-ursi (L.) Spreng. (bearberry), beautiful photograph of a cluster of bright red bearberry drupes, set against their rich dark burgundy leaves,
Extent: 1 slide
Argemone polyanthemos (Fedde) G.B. Ownbey (prickly poppy), flowers on stems (3.101104)
Date: May 1973Creator: Kohout, Kitty
Type: Photographic image
Description:Argemone polyanthemos (Fedde) G.B. Ownbey (prickly poppy), view of a pair of flowering white prickly poppies. The prickles on the leaves and stems are sharply delineated.
Extent: 1 slide
Arisaema triphyllum (L.) Schott (Jack-in-the-pulpit), flower heads (3.101112)
Date: January 1978Creator: Kohout, Kitty
Type: Photographic image
Description:Arisaema triphyllum (L.) Schott (Jack-in-the-pulpit), close, ground level view of 2 hooded jack-in-the-pulpit blooms
Extent: 1 slide
Aristida oligantha Michx. (prairie threeawn), habit (3.101156)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Aristida oligantha Michx. (prairie threeawn), view of a dried clump of threeawn, with its tawny stems gracefully arching down toward the ground.
Extent: 1 slide
Aristida purpurascens Poir. (arrowfeather threeawn), leaves (3.101157)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Aristida purpurascens Poir. (arrowfeather threeawn), leaves
Extent: 1 slide
Aronia melanocarpa (Michx.) Elliott (black chokeberry), leaves (3.101231)
Date: October 1978Creator: Kohout, Kitty
Type: Photographic image
Description:Aronia melanocarpa (Michx.) Elliott (black chokeberry), leaves and a few berries. A view of a stem of black chokeberry gives a clear view of the serrated leaf edges, the elongated, oblong leaf shapes, and the beginning formation of berries.
Extent: 1 slide
Aronia melanocarpa (Michx.) Elliott (black chokeberry), leaves on twigs (3.101241)
Date: April 1978Creator: Kohout, Kitty
Type: Photographic image
Description:Aronia melanocarpa (Michx.) Elliott (black chokeberry), leaves on twigs
Extent: 1 slide
Arrhenatherum elatius L. (bulbous oat grass), habit (3.101261)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Arrhenatherum elatius L. (bulbous oat grass), habit
Extent: 1 slide
Asarum canadense L. (wild-ginger), habit (3.103115)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Asarum canadense L. (wild-ginger), habit showing heart-shaped leaves
Extent: 1 slide
Asclepias amplexicaulis Sm. (sand milkweed), habit (3.103150)
Date: June 1971Creator: Kohout, Kitty
Type: Photographic image
Description:Asclepias amplexicaulis Sm. (sand milkweed), habit
Extent: 1 slide
Asclepias hirtella (Pennell) Woodson (tall green milkweed), flowers (3.103163)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Asclepias hirtella (Pennell) Woodson (tall green milkweed), flowers
Extent: 1 slide
Asclepias hirtella (Pennell) Woodson (tall green milkweed), flowers and flower buds (3.103165)
Date: August 1972Creator: Kohout, Kitty
Type: Photographic image
Description:Asclepias hirtella (Pennell) Woodson (tall green milkweed), flowers and flower buds
Extent: 1 slide
Asclepias incarnata L. (swamp milkweed), flowers and leaves (3.103174)
Date: August 1971Creator: Kohout, Kitty
Type: Photographic image
Description:Asclepias incarnata L. (swamp milkweed), flowers and leaves
Extent: 1 slide
Asclepias incarnata L. (swamp milkweed), flowers and leaves (3.103175)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Asclepias incarnata L. (swamp milkweed), flowers and leaves
Extent: 1 slide
Carpinus caroliniana subsp. virginiana (American Hornbeam), flower, staminate, pistillate (3.103688)
Date: 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Carpinus caroliniana subsp. virginiana (American Hornbeam), flower, staminate, pistillate
Asclepias meadii Torr. ex Gray (Mead's milkweed), flower head (3.103765)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Asclepias meadii Torr. ex Gray (Mead's milkweed), flowers
Extent: 1 slide
Asclepias purpurascens L. (purple milkweed), flowers (3.103778)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Asclepias purpurascens L. (purple milkweed), close-up of 3 rosy-pink flower umbels with flowers and buds, stems and leaves, with a field in background
Extent: 1 slide
Asclepias syriaca (common milkweed), flowers, buds, leaves (3.103796)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Asclepias syriaca (common milkweed), stem with opposite leaves, umbels with flowers and flower buds
Extent: 1 slide
Asclepias syriaca (common milkweed), flowers, buds, leaves (3.103797)
Date: June 1970Creator: Kohout, Kitty
Type: Photographic image
Description:Asclepias syriaca (common milkweed), stem with opposite leaves, umbels with flowers, and flower buds
Extent: 1 slide
Asclepias sullivantii Engelm. ex Gray (Sullivant's milkweed), flowers and leaves (3.103840)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Asclepias sullivantii Engelm. ex Gray (Sullivant's milkweed), flowers and leaves
Extent: 1 slide