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Seedimages.com Scientific List (possibly A. cylindrica) Agropyron trachycaulum Ambrosia artemisifolia (R) not Abelmoschus esculentus Agrostemma githago a synonym of A. trifida Abies concolor Agrostis alba Ambrosia confertiflora Abronia villosa Agrostis canina Ambrosia dumosa Abronia villosum Agrostis capillaris Ambrosia grayi Abutilon theophrasti Agrostis exarata Ambrosia psilostachya Acacia mearnsii Agrostis gigantea Ambrosia tomentosa Acaena anserinifolia Agrostis palustris Ambrosia trifida (L) Acaena novae-zelandiae Agrostis stolonifera Ammi majus Acaena sanguisorbae Agrostis tenuis Ammobium alatum Acalypha virginica Aira caryophyllea Amorpha canescens Acamptopappus sphaerocephalus Alcea ficifolia Amsinckia intermedia Acanthospermum hispidum Alcea nigra Amsinckia tessellata Acer rubrum Alcea rosea Anagallis arvensis Achillea millifolium Alchemilla mollis Anagallis monellii Achnatherum brachychaetum Alectra arvensis Anaphalis margaritacea Achnatherum hymenoides Alectra aspera Andropogon bicornis Acmella oleracea Alectra fluminensis Andropogon flexuosus Acroptilon repens Alectra melampyroides Andropogon gerardii Actaea racemosa Alhagi camelorum Andropogon gerardii var. Adenostoma fasciculatum Alhagi maurorum paucipilus Aegilops cylindrica Alhagi pseudalhagi Andropogon hallii Aegilops geniculata subsp. Allium canadense Andropogon ternarius geniculata Allium canadense (bulb) Andropogon virginicus Aegilops ovata Allium cepa Anemone canadensis Aegilops triuncialis Allium cernuum Anemone cylindrica Aeginetia indica Allium fistulosum Anemone patens Aeginetia japonica Allium neapolitanum Anemone pulsatilla Aeginetia sp Allium porrum Anemone sp. Aeschynomene indica Allium schoenoprasum Anemone sylvestris Aeschynomene virginica Allium vineale Anemone virginiana Agastache foeniculum Allium vineale (bulb) Anethum graveolens Ageratina adenophora Alopecurus arundinaceus Angelica archangelica Ageratina altissima Alopecurus geniculatus Angelica atropurpurea Ageratina riparia Alopecurus myosuroides Angelica sp Ageratum houstonianum Alopecurus pratensis Anoda cristata Agrimonia striata Alternanthera philoxeroides Anthemis arvensis Agropyron cristatum Alternanthera pungens Anthemis cotula Agropyron dasystachyum Alternanthera repens Anthemis nobilis Agropyron desertorum Alternanthera sessilis Anthoxanthum aristatum Agropyron elongatum Althaea officinalis Anthoxanthum odoratum Agropyron fragile subsp. Alysicarpus vaginalis Anthriseus cerefolium sibiricum Amaranthus albus Anthyllis vulneraria Agropyron intermedium var. Amaranthus hybridus Antirrhinum majus intermedium Amaranthus hypochordriacus Antirrhinum sp. Agropyron intermedium var. Amaranthus retroflexus Apera spica-venti trichophorum Amaranthus spp. Apium graveolens var. dulce Agropyron repens Amberboa moschata Apium graveolens var. Agropyron riparium Ambrosia artemisifolia rapaceum Agropyron smithii Aquilegia caerulea Aquilegia canadensis Atriplex gardneri Brachiaria platyphylla Aquilegia vulgaris Aubrieta deltoidea Brachiaria ramosa Arabis alpina Aurinia saxatilis Brachiaria texana Arachis hypogaea Avena barbata Brachycome ibiridifolia Araujia sericifera Avena fatua Bracteantha bracteata Arctium lappa Avena nuda Brassica rapa subsp. campestris Arctium minus Avena sativa Brassica rapa subsp. chinensis Arctotheca calendula Avena sterilis Brassica campestris Arctotis fastuosa Axonopus affinis Brassica chinensis Arctotis stoeshadifolia Axonopus fissifolius Brassica geniculata Arctotis venusta Azolla pinnata Brassica hirta Ardisia elliptica Baccharis emoryi Brassica juncea Arenaria serpyllifolia Bahiopsis laciniata Brassica kaber Argemone albiflora Bahiopsis lanceolata Brassica napus var. annua Argemone hispida Baileya multiradiata Brassica napus var. biennis Argemone polyanthemos Barbarea spp. (B. vulgaris & B. Brassica napus var. Aristida adscensionis verna) napobrassica Aristida dichotoma Barbarea verna Brassica napus var. napus Armeria spp. Barbarea vulgaris Brassica napus var. pabularia Arnica chamissonis var foliosa Basella alba Brassica nigra Arrhenatherum elatius Basella rubra Brassica oleracea var. acephala Artemisia absinthium Bassia scoparia Brassica oleracea var. botrytis Artemisia annua Beckmannia syzigachne Brassica oleracea var. capitata Artemisia frigida Begonia sp. Brassica oleracea var. Artemisia tridentata Belamcanda chinensis gemmifera Artemisia vulgaris Bellis perennis Brassica oleracea var. Asarina scandens Berteroa incana gonglodes Asclepias curassavica Beta vulgaris subsp. cicla Brassica oleracea var. viridis Asclepias incarnata Beta vulgaris subsp. vulgaris Brassica pekinensis Asclepias labriformis Bidens bipinnata Brassica perviridis Asclepias speciosa Bidens cernua Brassica rapa subsp. pekinensis Asclepias subverticillata Bidens frondosa Brassica rapa var. perviridis Asclepias syriaca Bocconia frutescens Brassica rapa var. rapa Asclepias tuberosa Bolboschoenus fluvitalis Brickellia californica Asparagus densiflorus Bolboschoenus maitimus Bromus anomalus Asparagus officianalis Bolboschoenus maritimus Bromus arizonicus Asperugo procumbens Bolboschoenus robustus Bromus arvensis Asphodelus fistulosus Borago officialis Bromus biebersteinii Asphodelus tenuifolius Borreria alata Bromus canadensis Aster azureus Borreria articularis Bromus catharticus Aster bigelovii Borreria laevis Bromus ciliatus Aster glaucodes Bothriochloa bladhii Bromus commutatus Aster laevis Bothriochloa caucasica Bromus hordeaceus Aster novae-angeliae Bothriochloa ischaemum Bromus inermis subsp. inermis Aster ptarmicoides Bouteloua aristidoides Bromus japonicus Astragalus bisulcatus Bouteloua barbata var. Bromus marginatus Astragalus canadensis rothrockii Bromus mollis Astragalus cicer Bouteloua curtipendula Bromus racemosus Astragalus membranaceus Bouteloua dactyloides Bromus rigidus Astragalus miser Bouteloua eriopoda Bromus secalinus Astragalus pectinatus Bouteloua gracilis Bromus stamineus Atriplex canescens Bouteloua rothrockii Bromus tectorum Bromus uniolodies Carex vulpinoidea Centaurea repens Bromus unioloides Carica papaya Centaurea solstitialis Browallia sp. Carthamus baeticus Centaurea squarrosa Buchloe dactyloides Carthamus lanatus subsp. Centaurea stoebe Buglossoides arvensis creticus Centaurea sulphurea Caesalpinia gilliesii Carthamus lanatus subsp. Centaurea virgata Cajanus cajan lanatus Centaurea virgata subsp. Calamagrostis inexpansa Carthamus leucocaulos squarrosa Calamintha nepeta Carthamus oxyacanthus Cerastium biebersteinii Calamovilfa longifolia Carthamus tinctorius Cerastium fontanum subsp. Calendula sp. Carum carvi vulgare Callirhoe invoucrata Cassia armata Cerastium vulgatum Callistephus chinensis Cassia covesii Cercocarpus montanus Calochortus gunnisonii Cassia fasciculata Cereus hildmannianes Calonyction muricatum Cassia nictitans Cereus uruguayanus Calystegia sepium Cassia obtusifolia Cerinthe major Camelina microcarpa Cassia sturtii Chaerophyllum spp. Camelina sativa Cassia tora Chaerophyllum tainturieri Camissonia brevipes Castillega integra Chamaecrista fasciculata Campanula carpatica Castilleja mutis Chamaecrista nictitans var. Campanula medium Castilliga spp. nictitans Campanula rapunculoides Catharanthus roseus Chamaemelum nobile Canna sp. Ceanothus crassifolius Chamaesyce maculata Cannabis sativa Ceanothus greggii Chamaesyce nutans Caperonia castaneifolia Ceanothus impressus Chamaesyce prostrata Capsella brusa-pastoris Ceanothus leucodermis Cheiranthus cheiri Capsella bursa-pastoris Ceanothus megacarpus Chenopodium album Capsicum annuum Ceanothus spinosus Chenopodium ambrosioides Cardaria chalepensis Ceanothus thyrsflorus Chenopodium berlandieri Cardaria draba Celosia argentea var. cristata Chenopodium capitatum Cardaria draba subsp. chalepensis Celosia argentea var. plumosa Chenopodium fremontii Cardaria draba subsp. draba Celosia plumosa Chenopodium hircinum Cardaria pubescens Cenchrus ciliaris Chenopodium leptophyllum Cardiospermum halicacabum Cenchrus echinatus Chenopodium quinoa Carduus acanthoides Cenchrus incertus Chicorum intybus Carduus nutans Cenchrus longispinus Chilopsis lineavis Carduus pycnocephalus Cenchrus pauciflorus Chloris dandyana Carduus tenuiflorus Centaurea biebersteinii Chloris distichophylla Carex annectens Centaurea calcitrapa Chloris divaricata Carex aquatilis Centaurea cyanus Chloris gayana Carex bicknellii Centaurea diffusa Chloris polydactyla Carex comosa Centaurea iberica Chloris truncata Carex crus-corvi Centaurea imperialis Chondrilla juncea Carex festucacea Centaurea jacea Chorispora tenella Carex hystericina Centaurea jacea x nigra Chromolaena odorata Carex lacustris Centaurea macrocephala Chrysanthemum carinatum Carex lupulina Centaurea maculosa Chrysanthemum coronarium Carex praegracilis Centaurea melitensis Chrysanthemum leucanthemum Carex scirpoidea Centaurea moschata Chrysanthemum maximum Carex shortiana Centaurea nigra Chrysanthemum multicaule Carex stimulata Centaurea nigrescens Chrysopogon aciculatis Carex utriculata Centaurea picrus Chrysopogon aciculatus Chrysopsis villosa Cosmos bipinnatus Cyperus rotundus Chrysothamnus nauseosus Cosmos sulphureus Cyperus sp. (tubers) Chrysothamnus viscidiflorus Crambe abyssinica Cypripedium Calceolus var. Cichorium endivia Crepis capillaris pubescens Cichorium intybus Crotalaria longirostrata Cypripedium parviflorum var. Cicuta douglasii Crotalaria mucronata pubescens Cicuta maculata Crotalaria pallida Cytisus monspessulanus Cirsium arvense Crotalaria sagittalis Cytisus scoparius Cirsium ochrocentrum Crotalaria spectabilis Dactylis glomerata Cirsium undulatum Croton setigerus Dahlia
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  • Introductory Grass Identification Workshop University of Houston Coastal Center 23 September 2017

    Introductory Grass Identification Workshop University of Houston Coastal Center 23 September 2017

    Broadleaf Woodoats (Chasmanthium latifolia) Introductory Grass Identification Workshop University of Houston Coastal Center 23 September 2017 1 Introduction This 5 hour workshop is an introduction to the identification of grasses using hands- on dissection of diverse species found within the Texas middle Gulf Coast region (although most have a distribution well into the state and beyond). By the allotted time period the student should have acquired enough knowledge to identify most grass species in Texas to at least the genus level. For the sake of brevity grass physiology and reproduction will not be discussed. Materials provided: Dried specimens of grass species for each student to dissect Jewelry loupe 30x pocket glass magnifier Battery-powered, flexible USB light Dissecting tweezer and needle Rigid white paper background Handout: - Grass Plant Morphology - Types of Grass Inflorescences - Taxonomic description and habitat of each dissected species. - Key to all grass species of Texas - References - Glossary Itinerary (subject to change) 0900: Introduction and house keeping 0905: Structure of the course 0910: Identification and use of grass dissection tools 0915- 1145: Basic structure of the grass Identification terms Dissection of grass samples 1145 – 1230: Lunch 1230 - 1345: Field trip of area and collection by each student of one fresh grass species to identify back in the classroom. 1345 - 1400: Conclusion and discussion 2 Grass Structure spikelet pedicel inflorescence rachis culm collar internode ------ leaf blade leaf sheath node crown fibrous roots 3 Grass shoot. The above ground structure of the grass. Root. The below ground portion of the main axis of the grass, without leaves, nodes or internodes, and absorbing water and nutrients from the soil.