Browsing by people, organizations and landmarks: year:
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
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
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
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
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 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 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 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
Asclepias tuberosa L. (butterfly weed), close-up of habit (3.103890)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Asclepias tuberosa L. (butterfly weed), close-up of habit, close-up of orange flowers with stems and green leaves
Extent: 1 slide
Asimina triloba (L.) Dunal (pawpaw), close-up of flower bud and terminal bud (3.103933)
Date: April 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Asimina triloba (L.) Dunal (pawpaw), close-up of flower bud and terminal bud
Extent: 1 slide
Asimina triloba (L.) Dunal (pawpaw), close-up of twig with flower buds and terminal bud (3.103934)
Date: April 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Asimina triloba (L.) Dunal (pawpaw), close-up of twig with flower buds and terminal bud
Extent: 1 slide
Asimina triloba (L.) Dunal (pawpaw), close-up of developing fruit beneath foliage (3.103948)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Asimina triloba (L.) Dunal (pawpaw), close-up of developing fruit beneath foliage
Extent: 1 slide
Asparagus officinalis L. (garden asparagus), berries on female plants (3.103966)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Asparagus officinalis L. (garden asparagus), ornamental red berries on female plants
Extent: 1 slide
Symphyotrichum laeve (L.) A. Löve & D. Löve (smooth blue aster), flowers on stems (3.104043)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Symphyotrichum laeve (L.) A. Löve & D. Löve (smooth blue aster), flowers on stems
Extent: 1 slide
Symphyotrichum lateriflorum (L.) A. Löve & D. Löve (branching aster), flowers and leaves (3.104048)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Symphyotrichum lateriflorum (L.) A. Löve & D. Löve (branching aster), flowers and leaves
Extent: 1 slide
Doellingeria umbellata (Mill.) Nees (flat-topped aster), flowers (3.104079)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Doellingeria umbellata (Mill.) Nees (flat-topped aster), flowers, white ray flowers with yellow disc flowers, stems with leaves
Extent: 1 slide
Symphyotrichum drummondii, var. drummondii (Drummond's aster), stem with flowers (3.104111)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Symphyotrichum drummondii, var. drummondii (Drummond's aster), stem with flowers; light purple flowers with yellow and reddish centers.
Extent: 1 slide
Symphyotrichum sericeum (Vent.) G.L. Nesom (silky aster), flowers on stems with leaves (3.104115)
Date: February 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Symphyotrichum sericeum (Vent.) G.L. Nesom (silky aster), flowers on stems with leaves; light purple ray flowers with yellow disc flower centers.
Extent: 1 slide
Athyrium thelypterioides (lady fern), leaves (fronds) (3.104159)
Date: September 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Athyrium thelypterioides (lady fern), leaves (fronds)
Extent: 1 slide
Avena sativa L. (common oat), inflorescence (3.104173)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Avena sativa L. (common oat), inflorescence
Extent: 1 slide
Betula alleghaniensis Britton (yellow birch), buds on twig (3.105312)
Date: April 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Betula alleghaniensis Britton (yellow birch), two buds on twig, bud scales on buds visible, lenticels visible on twig
Extent: 1 slide
Bidens coronata (L.) Britton (crowned beggarticks) several yellow flowers (3.105480)
Date: April 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Bidens coronata (L.) Britton (crowned beggarticks) several yellow flowers
Extent: 1 slide